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Blueseventy Mens Reaction Sleeveless Wetsuit Black
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Men's Reaction Sleeveless Wetsuit

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Keeping You Cooler In Warm Water Swims

The 2022 Sleeveless Reaction is purpose-built for efficient swimming, while keeping you cooler in warmer water. Cloned from the redesigned Reaction wetsuit, the Sleeveless Reaction takes all the key performance upgrades and removes the full sleeves. This allows better heat regulation to keep your core temperature lower when the water is warmer while also encouraging natural body rotation, increasing distance per stroke and increasing comfort in the neck. What does this mean for you? A more flexible, more comfortable sleeveless wetsuit that reacts to your efforts and returns more speed than ever before.

When water temperatures are warmer (think above 70º) a sleeveless suit can help regulate your core body temperature keeping you cooler during the swim. A small sacrifice in speed can be a winning tactic as you head out of the water with a lower core temperature, ready for a hot bike and run.

A lower, more comfortable neck design improves efficiency and minimizes chafing without compromising the seal to prevent water entry. Building off the Helix design, Blueseventy has narrowed the center panel on the upper body and extended the side panels to maximize your natural body rotation in order to generate more power, resulting in more speed.

1.5mm thin leg panels make it easy to get out of the suit after your swim, decreasing your transition times. Reinforced seam taping allows you to trim the legs if needed. Reinforced seam taping allows you to trim the legs if needed.


  • Premium 39 cell Yamamoto Neoprene construction
  • Sleeveless design keeps you cooler in warmer water
  • Improved neckline minimizes chafing
  • Hip Drive maximizes natural body rotation
  • Reactive Stretch Technology
  • S-Flex side panels
  • Quick exit legs decrease transition times
  • Optimized buoyancy
  • Sizes: S/M - XL

Free Exchanges: This product qualifies for free exchanges within the first 60 days after order. We'll cover the shipping both ways for US customers if you need a different size and/or color of this product. Returned product must be in new condition with all labels and packaging. Free exchanges apply only for product in stock or available for backorder.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Body Weight121-143 lbs141-165 lbs150-172 lbs158-187 lbs160-182 lbs176-195 lbs192-215 lbs209-235 lbs
Body Weight160-190 lbs176-198 lbs192-220 lbs209-230 lbs  

Black - Small

Mfg PartNum: WSRLJ-22-BLK-0SMT 

Black - Medium

Mfg PartNum: WSRLJ-22-BLK-000M 

Black - Medium

Mfg PartNum: WSRLJ-22-BLK-00MT 

Black - X-Large

Mfg PartNum: WSRLJ-22-BLK-00XL