O'Neill’s Men’s HyperX 3/2mm Stitchless Steamer Chest Zip in black is built for warmer-water sessions where flexibility and heat retention matter. Stitchless Seam Technology helps reduce water entry so the body stays warmer for longer with less fatigue.

• 3/2mm men’s steamer wetsuit designed for a balance of warmth and mobility  
• SST Stitchless Seam technology minimises water entry and maximises thermal efficiency to help preserve core temperature  
• FUZE chest zip with a free floating zipper panel for easier movement and a cleaner seal  
• 360° Anti-flush Barrier plus drain holes helps block flushing and lets collected water exit to keep the suit drier  
• Technobutter 3X (TB3X) neoprene with a featherlight ENVY foam rubber core, pre-stretched for a soft feel and superior flexibility and fit  
• Stitchless seams are taped with recycled TB3X taping to add water resistance and durability while maintaining flexibility  
• Double layer neoprene collar and double seal collar for added comfort around the neck and entry  
• Hidden key pocket on the right leg below the knee for secure, hassle-free storage  
• Sustainability-focused build including recycled plastic, recycled ocean oyster shells, eco carbon black, limestone neoprene, solvent-free lamination, dope dyed yarn, ethical manufacturing, and reduced material waste. Each Hyper Series steamer saves more than 0.5kg of harmful plastic from potentially polluting the world’s living oceans

We're selective about the wetsuits we carry at Cottesloe Surf, and O'Neill has well and truly made the cut. Give Cottesloe Surf a call to talk all things O'Neill.