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Description
xConstructed from 3mm Yamamoto neoprene, a premium limestone-based neoprene known for its superior insulating properties. This material traps warmth efficiently, keeping your feet comfortable during prolonged outdoor swims in cold water. It is a step above standard petroleum-based neoprene in both performance and thermal retention.
The durable gripped sole is built for slippy riverbank entry points, giving you confident footing where it matters most. It also provides meaningful underfoot protection on rough or stony ground between changing and the water. Grip and durability are balanced so the sole holds up across many sessions without losing traction.
A Velcro-fastening ankle loop with a gasket seal is designed to keep the sock firmly in place and reduce water ingress during your swim. The optimised sock length works whether you are wearing a wetsuit or swimming without one. External seams throughout the construction prevent rubbing and keep comfort high without compromising freedom of movement.
Not sure on sizing? See our Speedo OW Swim Socks Size Guide or ask our swimwear experts for advice.
← Scroll to see all sizes →
| Size | A: Sole Length | B: Cuff Width | C: Upper Length |
|---|---|---|---|
| Garment Measurements (cm) | |||
| Small | 23 cm | 8.7 cm | 20.5 cm |
| Medium | 24 cm | 9.2 cm | 21 cm |
| Large | 25 cm | 9.7 cm | 21.5 cm |
All measurements are body measurements, not garment measurements. For further guidance view our full size guide or ask our swimwear experts.
Yes. The sock length has been optimised specifically so they can be worn with or without a wetsuit. They sit neatly beneath a wetsuit leg without creating uncomfortable bulk around the ankle.
Sizing is based on foot size, so check our Speedo OW Swim Socks Size Guide before ordering to find the best fit for your feet.
The Velcro-fastening ankle loop and gasket seal work together to hold the sock firmly in place and reduce water ingress, keeping the sock secure throughout your swim.
The external seam construction is specifically designed to prevent rubbing and hotspots, and the neoprene is chosen to allow good freedom of movement through the foot and ankle. For aftercare advice to keep the neoprene in good condition, see full product aftercare guide.
View our full product aftercare guide to ensure you look after your kit properly.
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.
Shipping & Returns
xUK 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
📦 UPS
🚀 DHL Courier
🏪 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
EU Delivery Options
✈️ FedEx
International Delivery Options
🌍 International Shipping
📮 Royal Mail
🚀 DHL Courier
Important Information
FAQs
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.
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
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.
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
If you have any questions about delivery, please contact us.
Size chart
This size guide covers the Speedo Open Water Swim Sock, available in Small, Medium and Large. Made from 3mm Yamamoto neoprene (a limestone-based neoprene), the swim sock is designed to keep feet warmer for longer during outdoor swims. The grippy sole provides protection underfoot on slippery riverbank entry points, and the Velcro-fastening ankle loop with gasket seal delivers a secure, adjustable fit with reduced water ingress. The optimised sock length works with or without a wetsuit.
Sizing is based on garment measurements — sole length (A), cuff width (B) and upper length (C). Use sole length as the primary guide and compare against your foot length for the closest fit.
All measurements in the size table below are garment measurements — they describe the sock itself, not your foot. Use sole length (A) as the primary sizing reference by comparing it to your foot length.
If between sizes, size up for a more comfortable fit. Neoprene has some stretch and will ease slightly with wear.
| Size | A — Sole Length | B — Cuff Width | C — Upper Length |
|---|---|---|---|
| Garment Measurements (cm) | |||
| Small | 23 cm | 8.7 cm | 20.5 cm |
| Medium | 24 cm | 9.2 cm | 21 cm |
| Large | 25 cm | 9.7 cm | 21.5 cm |
| Size | A — Sole Length | B — Cuff Width | C — Upper Length |
|---|---|---|---|
| Garment Measurements (inches) | |||
| Small | 9.1" | 3.4" | 8.1" |
| Medium | 9.4" | 3.6" | 8.3" |
| Large | 9.8" | 3.8" | 8.5" |
All measurements are garment measurements, not foot measurements. Use sole length (A) as the primary guide by comparing it to your own foot length. If between sizes, size up.
The size table shows garment measurements. Compare the sole length (A) to your own foot length — your foot should be equal to or slightly shorter than the sole length. If your foot measurement falls between two sizes, size up. Contact our team if you need guidance.
Yes. The Speedo Open Water Swim Sock is specifically designed to be worn with or without a wetsuit. The optimised sock length and Velcro ankle loop with gasket seal work together to reduce water ingress when worn under a wetsuit leg.
Yamamoto neoprene is a premium, limestone-based neoprene manufactured in Japan. Unlike standard petroleum-based neoprene, Yamamoto is known for its superior flexibility, warmth retention, and durability. It is used widely in high-performance wetsuits and open water accessories.
The 3mm Yamamoto neoprene construction provides good insulation for cold open water swimming. Swim socks are particularly useful in water temperatures below 15°C where cold feet can become uncomfortable or affect swimming performance. In warmer water they can still be used for sole protection on rough entry points.
The gripped sole provides traction and protection when walking to and from the water on slippery surfaces such as muddy riverbanks, rocky shores, and wet pool surrounds. It also offers underfoot protection against sharp stones and debris. The grip pattern is designed to be durable and maintain traction across a range of surfaces.
Roll the sock down before putting it on, then work it up over the foot gradually rather than pulling from the top. Wetting your foot or the inside of the sock slightly can help ease it on. Ensure the sock is fully seated with no folded neoprene before fastening the ankle loop. Take care with fingernails as neoprene can tear if snagged.
Rinse thoroughly in fresh water after every use to remove salt, chlorine, and debris. Turn inside out to rinse the interior as well. Allow to dry naturally away from direct sunlight and heat. Do not tumble dry, iron, or store compressed. Check the Velcro fastening periodically and keep it clear of debris to maintain its grip.
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