Introducing The LongSleeve

Introducing The LongSleeve

The Wild Swim Store x Yonda Collab - SHOP NOW!

A Swimmer Standing on a Rock With the Waves Crashing Behind - Wearing a Long Sleeve Swimsuit for Wild Swimmers – available in extended UK sizes 8 to 30, featuring Yamamoto Neoprene, stretchy fabric in black, made for Cold Water swimming

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The Ultimate Long Sleeve Swimsuit for Wild Swimmers


Introducing The LongSleeve, your new go-to long sleeve swimsuit—designed by The Wild Swim Store in collaboration with the incredible Yonda.

This unique swimsuit is built from the ground up with wild swimmers in mind, incorporating years of experience, customer feedback, and innovative design elements to make cold water swimming even better.

After years of wild swimming ourselves and listening to your feedback, we knew swimmers needed a long-sleeve swimsuit that was warm, flexible, easy to get in and out of, and available in a wider range of sizes. So, we teamed up with fellow small business Yonda to create a swimsuit that truly meets your needs.


Designed with Swimmers in Mind.

Female swimmer wearing a black long-sleeve Yamamoto neoprene swimsuit, standing against a rocky backdrop. She is holding the long zip cord and securing the loop at the base of the zip, preparing for a wild swim


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Why Choose The LongSleeve?

This swimsuit is packed with game-changing features, setting it apart from other long sleeve swimsuits on the market:

  • 2mm Yamamoto Neoprene – Made with premium Yamamoto neoprene, known for its superior stretch, flexibility, and comfort. It keeps you warmer without feeling restrictive—perfect for cold water swims!

  • Ultra-Stretchy Material – The super stretchy neoprene ensures an easy-on, easy-off fit while still providing a snug, secure feel, no matter what stroke you swim.

  • Convenient Finger Loop – A handy loop at the back helps keep the zip taut while doing it up—making it that little bit easier!

  • Back Zip with Lower Placement – The longer, lower-placed zip makes it easier to step into, so you won’t have to struggle getting in and out. Plus, the back zip design makes removal simple—just unzip and peel it off.

  • Extended Zip Cord – We've made the zip cord longer, so it’s easier to grab when getting in and out. No more awkward reaching!

  • Higher Neck Coverage – A high neckline provides extra warmth and shields against cold wind chill.

  • Blind-Stitched Seams – Designed for maximum comfort, the seams are blind-stitched to reduce rubbing, irritation, and enhance freedom of movement.


Cold water swimmer standing in the sea with waves in the background, wearing a black long-sleeve Yamamoto neoprene swimsuit with the Wild Swim Store and Yonder logo on the chest. She has her hands on her hips, smiling as the sun shines on her face.

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Who is The LongSleeve For?


This swimsuit is designed for all types of open-water swimmers:

  • Wild Swimmers – Stay warm and protected while enjoying the beauty of open water.
  • Cold Water Dippers – Extra insulation for those dips, whether you're in a lake, the sea, river, waterfall or your home ice dipping tub.
  • Triathletes & Open Water Swimmers – A streamlined fit with flexibility to support every stroke.
  • Paddleboarders & Surfers – Sun protection and warmth for extended sessions on the water.
Plus-size female cold water swimmer standing with her back against a white wall, wearing a black long-sleeve high-neck swimsuit. She looks up, showcasing the sleek design available in a range of sizes
Tam wears the UK 18/20

Size Range

We know a key frustration amongst wild swimmers is often the limited range of sizes in swimwear. Tam knows all too well how frustrating this can be, finding a swimsuit that fits. Which is why we are super excited to announce our new LongSleeve Swimsuit now comes in an extended range—from UK size 8 to UK 30. 

Designed with premium, stretchy fabric, this swimsuit adapts perfectly to your unique shape, ensuring a snug yet flexible fit that supports your every dip and splash. Whether you are swimming heads up having a natter with your swim buddies or training for an open water swim event. This swimsuit is like wearing a second skin.

Close-up of the sleeve of the black long-sleeve swimsuit lying on the sand, highlighting the external stitching and 2mm neoprene thickness for warmth and durability



Made with Premium Yamamoto Limestone Neoprene

The LongSleeve is crafted from 2mm Yamamoto Limestone Neoprene, a more eco-friendly alternative to traditional petroleum-based neoprene.

It’s lightweight, flexible, and durable, ensuring longevity for season after season of swims.


Pre-Order Now

Be among the first to experience The LongSleeve—our most advanced long-sleeve swimsuit yet!

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