Seek Core 5/4 Front Zip 2026 Wetsuit

Performance & Feel

Winter suits pay their way on how comfy they are, how warn they keep you and how easy they are to get on and off.  This 5mm Seek Core is warm from the first minute on, stretches through the shoulders and arms and the front zip works and locks with one push of a button.

The materials ION use in this suit are a headline here. Natural rubber rather than neoprene, sourced from oyster shell powder, soybean oil and eco-carbon black. Inside, Hot_Stuff 3.0 covers the body for warmth with a plush, open-loop structure that traps air well to keep you warm while drying quickly too. Silk_Stuff 2.0 lines the chest, shoulders and arms for stretch and is also on the lower legs and sleeves for comfort against the skin. Seams are glued and blind-stitched, taped and reinforced at the knee and crotch where flex and wear concentrate most. The shoulders use ION's seam-free Sweep_Cut for extra stretch and movement and Water Defender inserts in the leg cuffs stop the fabric folding up and letting water flush in as you move.

Key Features

• Natural rubber: neoprene-free rubber sourced from oyster shell powder, soybean oil and eco-carbon black
• Hot_Stuff 3.0 thermal lining: recycled nylon lining for warmth without losing stretch
• Silk_Stuff 2.0 lining: smooth against the skin at the chest, shoulders and arms for stretch, and through the lower legs and sleeves for comfort
• Glued and blind-stitched seams: taped and reinforced at the knee and crotch
• Sweep_Cut shoulders: seam-free construction for extra reach and freedom of movement
• One-handed front zip: push-button locking mechanism with a soft, replaceable cordlock
• Water Defender leg inserts: patent-pending inserts that stop the leg cuffs folding up under water flush
• Reinforced drain holes: at the chest and legs, to clear water quickly