Arena Womens Powerskin Primo Racing Kneesuit

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Arena · Kneesuits ARENA WOMENS POWERSKIN PRIMO KNEESUIT LTD EDITION Neon Blaze Bold colour meets race-day compression in this limited-edition Powerskin Primo Kneeskin. Tap into the race-day energy with Arena’s Neon Blaze Limited Edition Open-Back Powerskin Primo Kneeskin for women. The eye-catching suit sets a bold statement of power and intensity with striking electric blue and neon orange details that capture the spark that drives champions to the edge. The first-ever tensoelastic racing suit combines the highest overall compression, ultimate elasticity and phenomenal hydrodynamics for excellent freedom of movement and ultimate speed in the water. On in under 5 minutes, this World Aquatics-approved high-compression suit is designed for a quick race-day routine. Compression and colour that mean business.

World Aquatics ApprovedTensoelastic Hyperforce™High CompressionUnder 5 Minutes OnLimited EditionInternal Support Taping

3 Key Features

Arena Hyperforce™ Tensoelastic Fabric

Hyperforce™ is the first-ever tensoelastic racing fabric, delivering the highest overall compression without sacrificing elasticity. Permanently hydrophobic TPU-coated fibre repels water at the surface for maximum hydrodynamics. The result is a suit that feels locked-in at the start and fast throughout every length.

Internal Taping for Optimal Body Position

New internal taping provides powerful structural support that actively lifts the legs and hips. This encourages a higher, more streamlined position in the water from the first stroke to the finish. Enhanced coverage from waist to knee ensures maximum compression precisely where it matters most.

Quick Race-Day Routine

Designed to be on in under 5 minutes, the Primo Kneeskin removes the stress of a lengthy pre-race routine. Available in long-torso sizes, the suit offers a near-custom fit and supreme comfort in the upper body without sacrificing compression. Bold Neon Blaze colourway adds a confident edge on the pool deck.

Full Feature Breakdown

Arena Hyperforce™ FabricThe first-ever tensoelastic racing fabric combines record compression with extraordinary elasticity for freedom of movement at race pace.
World Aquatics ApprovedFully approved for competition under World Aquatics regulations, making it eligible for sanctioned events at all levels.
Permanently Hydrophobic TPU FibreTPU-coated fibre provides lasting water repellency across the life of the suit, reducing drag in the water.
Internal Support TapingNew internal taping lifts the legs and hips to encourage optimal body positioning and a more efficient stroke cycle.
Extended Knee-Length CutThe longer waist-to-knee cut delivers maximum compression precisely where it is needed for powerful leg drive.
On in Under 5 MinutesEngineered for a quick race-day routine so you can focus on your warm-up rather than your kit.
Open BackOpen-back design allows natural shoulder movement and ensures compliance with World Aquatics coverage rules.
Long-Torso SizingAvailable in long-torso sizes for a near-custom fit and supreme comfort in the upper body without compromising compression.

Product Specifications at a Glance

Fabric: Arena Hyperforce™ tensoelastic with permanently hydrophobic TPU-coated fibreStyle: Kneeskin (kneesuit)Back Coverage: Open backLeg Height: Extended waist-to-knee cutApproval: World Aquatics approvedEdition: Limited Edition Neon BlazeColourway: Electric blue with neon orange detailsBest For: Competitive pool racing, open-water pool events, club and elite-level competition

Not sure on sizing? See our Arena Powerskin Primo Womens Size Guide or ask our swimwear experts for advice.

Arena Powerskin Primo Womens Size Guide

← Scroll to see all sizes →

Size	18	20	22	24	24 LT	26	26 LT	28	28 LT	30	32	34
International Size Equivalents
UK	18	20	22	24	24 LT	26	26 LT	28	28 LT	30	32	34
USA	18	20	22	24	24 LT	26	26 LT	28	28 LT	30	32	34
France	24	26	28	30	30 LT	32	32 LT	34	34 LT	36	38	40
Italy	28	30	32	34	34 LT	36	36 LT	38	38 LT	40	42	44
Germany	22	24	26	28	28 LT	30	30 LT	32	32 LT	34	36	38
Body Measurements (cm)
A: Chest	69–74	74–79	79–84	84–89	84–89	89–94	89–94	94–98	94–98	98–102	102–106	106–110
B: Waist	54–58	58–62	62–66	66–70	66–70	70–74	70–74	74–78	74–78	78–82	82–86	86–90
C: Hip	70–75	75–80	80–85	85–90	85–90	90–95	90–95	95–100	95–100	100–105	105–110	110–115
D: Torso Loop	116–123	125–133	136–143	143–148	149–154	154–159	160–165	165–170	171–176	171–178	176–183	181–188
Body Measurements (inches)
A: Chest	27.2–29.1	29.1–31.1	31.1–33.1	33.1–35.0	33.1–35.0	35.0–37.0	35.0–37.0	37.0–38.6	37.0–38.6	38.6–40.2	40.2–41.7	41.7–43.3
B: Waist	21.3–22.8	22.8–24.4	24.4–26.0	26.0–27.6	26.0–27.6	27.6–29.1	27.6–29.1	29.1–30.7	29.1–30.7	30.7–32.3	32.3–33.9	33.9–35.4
C: Hip	27.6–29.5	29.5–31.5	31.5–33.5	33.5–35.4	33.5–35.4	35.4–37.4	35.4–37.4	37.4–39.4	37.4–39.4	39.4–41.3	41.3–43.3	43.3–45.3
D: Torso Loop	45.7–48.4	49.2–52.4	53.5–56.3	56.3–58.3	58.7–60.6	60.6–62.6	63.0–65.0	65.0–66.9	67.3–69.3	67.3–70.1	69.3–72.0	71.3–74.0

All measurements are body measurements, not garment measurements. For further guidance view our full size guide or ask our swimwear experts.

Frequently Asked Questions

QHow do I find the right size in the Powerskin Primo Kneeskin?

Arena race suits fit considerably smaller than training suits and sizing varies between cuts. We strongly recommend consulting our Arena Powerskin Primo Womens Size Guide before ordering, paying particular attention to the long-torso column if you have a longer upper body.

QIs the Powerskin Primo approved for competition?

Yes. The Powerskin Primo Kneeskin carries full World Aquatics approval and is legal for use in sanctioned pool competitions at club, national and international level.

QIs this suit really on in under 5 minutes?

Arena have designed the Primo Kneeskin specifically for a fast pre-race routine, and most swimmers achieve a secure, wrinkle-free fit well within 5 minutes. Putting the suit on slightly damp skin and rolling it up from the legs rather than pulling from the waist will help you get it on quickly and evenly.

QHow should I look after my Powerskin Primo to protect the hydrophobic coating?

Race suits require careful handling to preserve compression and fabric performance. See our full product aftercare guide for full guidance on rinsing, drying and storing your Primo Kneeskin after each use.

Care Instructions

💧Rinse immediately after every use in cool, non-chlorinated water
🚫Do not use detergents or cleaning products on race suits
🚫Do not leave the wet suit in a bag for extended periods
☀️Leave to dry naturally avoiding sunlight
🌬️Air dry by hanging away from direct heat sources
🚫Do not machine wash, tumble dry, wring, iron or dry-clean
✅Race suit fabric: rinse immediately after every use to preserve performance properties

View our full swimwear product aftercare guide to ensure you look after your race suit properly.

Why Buy from Allens Swimwear?

A Family Business Built on Swimming Since 1976

Allens Swimwear is a family-run business founded in 1976 by Dennis Allen and his daughter Linda Beal. It started from a genuine need. “With 2 swimmers in the family it was often difficult to find the right kit, so dad and I took the plunge and started selling to local swimmers at our local pool in Kingsbury out of a suitcase and we’ve never looked back.” Today, Linda, her husband Richard, and three of their children Danny, Will and Jenna still run the business together. The suitcase may be long gone, but the founding principle of helping swimmers get the right kit remains exactly the same.

🏆50 Years of Expertise50 years in the swimming world. Our swimwear experts are on hand by phone or in store to give you honest, expert advice on sizing, fit and product choice.

🏪Visit Us In StoreCome and see us at our Midlands store in Dordon, Tamworth. Mon to Fri 8am to 4pm, Sat 8am to 3pm, Sun 10am to 2pm. Please check our Visit Us page to confirm opening hours before making a special trip.

📦Free UK Delivery and No Hassle ReturnsFree delivery on orders over £40. If something is not right, we make returns straightforward and stress-free.

🪡Race Suit Repair ServiceSnagged or damaged your suit? Our professional race suit repair service can save your investment and get you back racing.

🏊Swimming Club PartnershipsWe work directly with swimming clubs across the UK. Find out about our Club Partnership Programme for exclusive club discounts and benefits.

💙10% Blue Light DiscountNHS, Emergency Services, Armed Forces and teachers all receive 10% off every order, in store or online, every time. No codes, no hoops.

Helpful Links from Allens Swimwear

🏪About Allens Swimwear 📏Arena Powerskin Primo Womens Size Guide 📋Full Product Aftercare Guide 📦Delivery Information ↩️Returns Policy 📍Visit Us In Store ✉️Get In Touch 💙Blue Light Card Discount 🪡Race Suit Repair Service 🏊Swimming Club Partnership Programme

UK Delivery Options

🚚 Free UK Delivery

Free delivery on all orders over £40

For orders below £40, delivery charges will be displayed at checkout.

The total order value, including any deals or discounts (such as a discount code), must be over £40.

📮 Royal Mail

Tracked 24: Usually 1–2 working days.
Tracked 48: Usually 2–3 working days.
Guaranteed Next Day Delivery: Order before 3pm Monday–Friday or 8am Saturday. Orders placed after 8am Saturday will be delivered Tuesday.

📦 UPS

Standard: Usually 1–2 working days.

🚀 DHL Courier

Standard: Usually 1–2 working days.
Economical: Usually 3–4 working days.

🏪 In Store Collection

Free in store collection is available. Simply choose this option at checkout and pick up your order at our store.

🕐 Delivery Times

In stock items are usually dispatched the same day.
Delivery estimates are affected by seasonal demand and weather conditions.
Unless stated otherwise, please allow up to 30 days for delivery.

EU Delivery Options

✈️ FedEx

Priority: 1–2 working days across the EU.
Economy: 3–5 working days for EU destinations.
Standard: 1–4 working days within the EU.

International Delivery Options

🌍 International Shipping

Customs charges may apply based on your country's regulations.
Cross border shipments may be inspected by customs authorities.

📮 Royal Mail

International Tracked: Typically 10–15 working days for delivery.

🚀 DHL Courier

DHL Express: Delivery within 2–3 working days internationally.

Important Information

Delivery charges and options will be displayed at checkout, tailored to your location and preferences.
Please note that delivery times may vary due to seasonal demand or unforeseen circumstances.
For international deliveries, customs duties and taxes may apply based on your country's regulations.

FAQs

1. What delivery options do you offer?

We offer several delivery options, including Standard Delivery, Express Delivery, and International Shipping.

2. How long will it take for my order to arrive?

Delivery times depend on the option you choose at checkout. Standard Delivery typically takes 2–3 days, while Express Delivery is usually delivered within 1–2 days. International delivery times may vary by location.

3. How much does delivery cost?

Delivery costs vary based on the shipping method and destination. Standard delivery starts at £4.99, and express delivery starts at £14.99. International shipping rates are calculated at checkout.

4. Do you offer free delivery?

Yes, we offer free delivery on orders over £40. Terms and conditions apply.

5. Can I track my order?

Yes, once your order is dispatched, you'll receive a tracking number via email to monitor its progress.

6. Do you deliver internationally?

Yes, we deliver to many countries worldwide. Delivery times and costs for international orders are shown at checkout.

7. What should I do if my order hasn't arrived?

If your order hasn't arrived within the estimated timeframe, please contact us with your order number, and we'll assist you.

8. What happens if I'm not home to receive my delivery?

If you're not available, the courier will typically leave a card with instructions on how to rearrange delivery or collect your parcel.

9. Can I change my delivery address after placing an order?

We can make changes to your delivery address if your order hasn't been dispatched. Please contact us as soon as possible.

10. What if my order arrives damaged or incomplete?

If your order arrives damaged or is incomplete, please contact our customer service team as soon as possible with photos and your order number, and we'll resolve the issue promptly.

11. Do you deliver to PO Boxes or BFPO addresses?

Currently, we don't deliver to PO Boxes and BFPO addresses. Please check specific delivery options at checkout.

12. Can I choose a specific delivery date?

For express or special deliveries, you may be able to select a preferred delivery date at checkout.

Returns Policy

We offer a free returns service. We advise that customers keep either proof of posting or a receipt as we cannot be held accountable for items lost being returned to us.

Please note that this returns policy does not cover items such as special order swimwear, customised products and products ordered specifically at the request of a customer. Products such as these cannot be returned (unless faulty).

Free UK Returns

If you are unhappy with your purchase for any reason, then we will gladly refund you within 28 days of purchase. Simply click on the link below to begin the returns policy:

ALLENS OF KINGSBURY RETURNS

EU & International Returns

Returns outside of the UK are at the buyer's cost. Please return to us at the address below.

ALLENS OF KINGSBURY 80 Barden View Road
Dordon
Staffordshire
B78 1QB
England

Please ensure that you have completed a CN22 Customs declarations form and that this has been clearly marked as being Returned Goods. Please mark the return parcel on the outside clearly as returned goods. Failure to do this could result in Customs charges being applied to the parcel on its return. I regret we cannot accept parcels with customs duties and charges payable — these will be returned to sender.

Non-Faulty Goods

Please return items with the original packaging if possible and to keep hygiene seals on suits, please also include a copy of the invoice received clearly stating on this that you would like a refund for the return.

Please note that we will not accept non-faulty items back that have been worn or without their relevant packaging, labels or stickers.

If you would like to exchange an item for an alternative size, style or item please follow the link to us along with a copy of your invoice, please note on the invoice what item is required as an alternative.

Faulty Goods

In the case of faulty goods, please contact us and provide details of the nature of complaint along with photos and the date of purchase and the care given to product.

In all cases of complaint we will endeavour to substitute faulty goods with an identical replacement, or substitute the goods with ones of similar value. This does not affect your statutory rights, and you may of course choose to have a complete refund if you are not 100% happy.

How to Return an Item

Fill out the Returns Form included in your package.
Securely pack your items, ideally in the original packaging.
For UK customers, use this link.
For international customers, ensure shipping is prepaid and use an insured service.

Need Help?

If you have any questions about delivery, please contact us.

This size guide covers the Arena Powerskin Primo Women’s Open Back Racing Suit — the world’s first tensoelastic racing suit and the newest addition to the Arena Powerskin family. Made from Hyperforce fabric that powerfully compresses as it stretches, the Primo delivers explosive swimming without restriction.

The Primo’s functional design includes X-tape connecting the upper body and hips for enhanced core stability, a new more comfortable strap design, and flow channelling along the exterior surface for better hydrodynamics. Easily reach, stretch and rotate in the Primo’s open-back design — built for performance at every level. All measurements are body measurements taken directly from your body. Use your Torso Loop (D) as the primary sizing guide.

Shop Arena Women’s Racing Kneesuits →

Body Measurement Points

How to Measure

Take all measurements directly against your skin using a soft tape measure. Use the Torso Loop (D) as the primary sizing guide — this determines how the suit sits across the shoulders and through the body.

A
ChestMeasure around the fullest part of your chest, keeping the tape horizontal and snug but not tight.
B
WaistMeasure at the narrowest part of your natural waist.
C
HipMeasure around the fullest part of your hips and seat, keeping the tape horizontal.
D
Torso LoopMeasure over one shoulder, down the front, under the crotch and back up to the same shoulder.

If measurements fall between sizes, use the Torso Loop as the primary guide. Speak to a member of staff at Allens if you are unsure.

Sizing Table — Arena Powerskin Primo Women's

Sizing	18	20	22	24	24 LT	26	26 LT	28	28 LT	30	32	34
International Size Equivalents
UK	18	20	22	24	24 LT	26	26 LT	28	28 LT	30	32	34
USA	18	20	22	24	24 LT	26	26 LT	28	28 LT	30	32	34
France	24	26	28	30	30 LT	32	32 LT	34	34 LT	36	38	40
Italy	28	30	32	34	34 LT	36	36 LT	38	38 LT	40	42	44
Germany	22	24	26	28	28 LT	30	30 LT	32	32 LT	34	36	38
Body Measurements (cm)
A — Chest	69–74	74–79	79–84	84–89	84–89	89–94	89–94	94–98	94–98	98–102	102–106	106–110
B — Waist	54–58	58–62	62–66	66–70	66–70	70–74	70–74	74–78	74–78	78–82	82–86	86–90
C — Hip	70–75	75–80	80–85	85–90	85–90	90–95	90–95	95–100	95–100	100–105	105–110	110–115
D — Torso Loop	116–123	125–133	136–143	143–148	149–154	154–159	160–165	165–170	171–176	171–178	176–183	181–188
Body Measurements (inches)
A — Chest	27.2–29.1	29.1–31.1	31.1–33.1	33.1–35.0	33.1–35.0	35.0–37.0	35.0–37.0	37.0–38.6	37.0–38.6	38.6–40.2	40.2–41.7	41.7–43.3
B — Waist	21.3–22.8	22.8–24.4	24.4–26.0	26.0–27.6	26.0–27.6	27.6–29.1	27.6–29.1	29.1–30.7	29.1–30.7	30.7–32.3	32.3–33.9	33.9–35.4
C — Hip	27.6–29.5	29.5–31.5	31.5–33.5	33.5–35.4	33.5–35.4	35.4–37.4	35.4–37.4	37.4–39.4	37.4–39.4	39.4–41.3	41.3–43.3	43.3–45.3
D — Torso Loop	45.7–48.4	49.2–52.4	53.5–56.3	56.3–58.3	58.7–60.6	60.6–62.6	63.0–65.0	65.0–66.9	67.3–69.3	67.3–70.1	69.3–72.0	71.3–74.0

All measurements are body measurements, not garment measurements. Use the Torso Loop (D) as the primary sizing guide. Speak to a member of staff at Allens if you are unsure.

Fit Notes — Arena Powerskin Primo Women's

Use the Torso Loop (D) as the primary sizing guide — this determines how the suit sits across the shoulders and through the body.
If your measurements fall between sizes, speak to a member of staff at Allens who will be happy to advise on the best fit.
The Hyperforce tensoelastic fabric powerfully compresses as it stretches — the suit should feel firm and energising, moving with the body rather than restricting it.
The X-tape connecting the upper body and hips should lie flat with no lifting or twisting — this structural element provides core stability and should remain smooth throughout the race.
The open-back design should sit flat across the shoulders — ensure the comfort straps are not twisted and the back panel lies smooth against the skin.
The flow channelling on the exterior surface should remain smooth and undistorted — any wrinkling of the outer surface indicates an incorrect fit.
The suit should be completely wrinkle-free when correctly fitted — any bunching or gathering indicates the suit is too large.
Allow 10–15 minutes to put on correctly for the first time. Take care with fingernails and jewellery to protect the fabric.
Do not use sunscreen, oils, or petroleum-based products before putting on the suit as these degrade the fabric.
Rinse in cold fresh water immediately after each use. Do not machine wash, tumble dry, iron, or dry-clean.
Unsure? Contact our team or call +44 1827 330600. Speak to a member of staff at Allens if you are unsure.

Frequently Asked Questions — Arena Powerskin Primo Women's

Measure your chest (A), waist (B), hip (C), and torso loop (D) using a soft tape measure directly against your skin. Use the Torso Loop as the primary guide and compare all measurements to the sizing table above. Speak to a member of staff at Allens if you are unsure.

The Torso Loop is measured by running a soft tape measure over one shoulder, down the front of the body, under the crotch, and back up to the same shoulder. This is the most important measurement for a racing suit as it determines how the suit sits across the shoulders and through the body.

If your measurements fall between two sizes, speak to a member of staff at Allens who will be happy to advise on the best fit for you. Arena racing suits are designed to fit closely — a suit that fits correctly should feel firm and supportive without restricting breathing or movement.

A tech suit should feel firm and compressive but wearable throughout a full competition day. It should be completely wrinkle-free when correctly fitted — any bunching or gathering indicates the suit is too large. The suit should feel tight but should not restrict breathing or cause pain. Seams and panels should lie flat with no rubbing or pressure points.

Arena racing suits are competition suits and are not designed for regular training use. Using a tech suit for training will degrade the fabric and reduce its lifespan significantly. Reserve it for races and competition warm-ups. Arena offer a wide range of training swimsuits for everyday pool use.

Rinse the suit in cold fresh water immediately after every use. Do not machine wash, tumble dry, iron, or dry-clean. Store flat and dry, away from direct sunlight. Avoid contact with sunscreen, oils, and petroleum-based products. Do not wring or twist the suit. Handle with care when putting on and taking off to protect the fabric.

Arena racing suit sizes (18–34) do not directly correspond to standard clothing sizes. Always use body measurements to select the correct Arena size. The international size equivalents shown in the table (France, USA/UK, Italy, Germany) are provided as a secondary reference — always prioritise body measurements.

Yes — the Arena Powerskin Primo meets FINA/World Aquatics specifications and is approved for use in all sanctioned competitive swimming events. Always check with your event organiser for any local rules regarding tech suits in competition. Speak to a member of staff at Allens if you need further guidance.

Arena Womens Powerskin Primo Kneesuit Ltd Edition - Neon Blaze

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