Swim Club Members Login or Learn More
Swimwear Specialists for 50 Years
Currency


Couldn't load pickup availability
Description
xThe most advantageous hydrodynamic upgrade a swimmer can make is in their race cap of choice. The arena 3D racing cap family is molded to provide a no-wrinkle fit optimizing the hydrodynamics of your head. We aren’t saying that a cap is the only option, but outside of pushing your training limits in the pool it’s the easiest way to gain a hydrodynamic advantage.
The arena 3D Soft cap is revolutionizing the racing cap mold by delivering a more comfortable fitting cap. Easier to put on, increased flexibility and superior comfort and as hydrodynamic as our 3D Ultra Race cap.
Features:
Shipping & Returns
xFree 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.
Free in store collection is available. Simply choose this option at checkout and pick up your order at our store.
We offer several delivery options, including Standard Delivery, Express Delivery, and International Shipping.
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.
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.
Yes, we offer free delivery on orders over £40. Terms and conditions apply.
Yes, once your order is dispatched, you'll receive a tracking number via email to monitor its progress.
Yes, we deliver to many countries worldwide. Delivery times and costs for international orders are shown at checkout.
If your order hasn't arrived within the estimated timeframe, please contact us with your order number, and we'll assist you.
If you're not available, the courier will typically leave a card with instructions on how to rearrange delivery or collect your parcel.
We can make changes to your delivery address if your order hasn't been dispatched. Please contact us as soon as possible.
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.
Currently, we don't deliver to PO Boxes and BFPO addresses. Please check specific delivery options at checkout.
For express or special deliveries, you may be able to select a preferred delivery date at checkout.
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).
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
Returns outside of the UK are at the buyer's cost. Please return to us at the address below.
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.
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.
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.
If you have any questions about delivery, please contact us.
Size chart
This size guide covers the Arena 3D Soft Cap. The Arena 3D Soft cap is a premium silicone swimming cap designed for comfort and performance. Its soft, skin-friendly silicone construction stretches to fit a wide range of head shapes without pulling hair, while the 3D moulded design provides a wrinkle-free fit that reduces drag in the water. Available in three sizes — M, L, and XL — with XL specifically designed to accommodate voluminous or thick hair.
Select your size using your head circumference (A) measured around the widest part of your head, just above the eyebrow.
Use a soft tape measure to measure your head circumference. This is the only measurement needed to select the correct Arena 3D Soft Cap size.
If you have voluminous or thick hair that you will be wearing inside the cap, select the XL size regardless of your head circumference measurement.
| Measurement | M | L | XL |
|---|---|---|---|
| Body Measurements (cm) | |||
| A — Head Circumference | 56–57 | 58–59 | 58–59* |
*XL is designed for voluminous or thick hair worn inside the cap. If your head circumference measures 58–59 cm and you have thick or voluminous hair, select XL.
Watch our guide to measuring for the Arena 3D Soft Cap.
Measure around the widest part of your head, just above the eyebrow, using a soft tape measure. Compare your measurement to the sizing table above. If you have voluminous or thick hair that you will wear inside the cap, select XL regardless of your head circumference. Speak to a member of staff at Allens if you are unsure.
The XL size of the Arena 3D Soft Cap is specifically designed to accommodate voluminous or thick hair worn inside the cap. It has the same head circumference measurement range as the L (58–59 cm) but provides more internal volume. If your head measures 58–59 cm and you have thick or voluminous hair, select XL for a more comfortable fit.
The Arena 3D Soft Cap is moulded in three dimensions to follow the natural shape of the head, creating a wrinkle-free fit that reduces drag in the water. Standard flat silicone caps can bunch or wrinkle when worn, increasing surface drag. The 3D construction also means the cap is more comfortable to wear over longer training sessions and is gentler on hair than non-moulded alternatives.
Yes. The Arena 3D Soft Cap can accommodate long hair, particularly in the XL size which is designed for voluminous or thick hair. For very long or thick hair, tie hair up before putting the cap on to reduce bulk. The soft silicone material is gentle on hair and will not pull or snag. Wet your hair before putting the cap on to make it easier to wear.
A swimming cap should sit snugly on the head with no wrinkles, air pockets, or gaps at the hairline or ears. It should feel secure but not cause discomfort or headaches. The cap should not slip during swimming. If the cap feels uncomfortably tight or causes pain, speak to a member of staff at Allens who can advise on the best size.
Yes. The Arena 3D Soft Cap is designed to be worn with swimming goggles. For competitive swimming, the cap is typically worn over the goggle strap to keep the straps in place and reduce drag. For training use, the goggle strap can be worn over or under the cap according to personal preference.
Rinse the cap in cold fresh water after every use to remove chlorine and salt. Allow to dry naturally away from direct sunlight — UV exposure can degrade the silicone over time. Store in a cool, dry place away from sharp objects. If the cap sticks to itself when stored, dust lightly with talcum powder to prevent sticking. Do not fold or crease the cap when storing.
Yes. The Arena 3D Soft Cap is suitable for competitive swimming. Its 3D moulded construction provides a wrinkle-free, streamlined fit that minimises drag in the water. For competition use, ensure the cap sits flat with no wrinkles and is pulled down firmly over the ears. Check with your event organiser for any specific cap rules that may apply at your competition.
Thanks for subscribing!
This email has been registered!
Shop the look
Choose options
Recently viewed
Edit option
Have Questions?
Compare
| Product | SKU | Description | Collection | Availability | Product type | Other details |
|---|
Choose options