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Join usThe ION Seek Core 5/4 Back Zip is a versatile wetsuit for riders looking for a solid mix of comfort, functionality, and reliable warmth throughout the season. Made from natural rubber derived from oyster shell powder, soybean oil, and eco carbon black, it offers an eco-friendly alternative to traditional neoprene without compromising performance.
Inside, the Hot_Stuff 3.0 lining made from recycled fibers provides excellent insulation while maintaining flexibility. The soft Silk_Stuff 2.0 inner lining in the chest, shoulders, and sleeves enhances comfort and freedom of movement. A minimized panel layout and seamless shoulders ensure a natural fit and unrestricted mobility when paddling or riding.
The glued-blind stitched seams (GBS) with flexible tape reinforcements at the knees and crotch ensure watertightness and long-term durability. The back zip entry makes the suit easy to get in and out of, while the Water Defender Legs system prevents the legs from folding up due to water spray. Reinforced drain holes at the chest and legs allow efficient water release, and practical extras like a key pocket and separate leg straps add everyday usability.
ION Seek Core 5/4 Back Zip is a smart, reliable wetsuit offering great warmth and flexibility — perfect for riders who prefer a classic back-zip design with modern comfort.
Material: 80% Natural Rubber / 10% Polyamide / 10% Polyamide (recycled)
Product highlights
BACK ZIP
If you're looking for ease and speed in getting your wetsuit on, this model is perfect for you. The long zip at the back makes it much easier to both get into the wetsuit and take it off. Attach the strap from the zip to the Velcro strap so that it does not interfere with your session
THICKNESS 4/3 mm
This model has 2 wetsuit thicknesses of 3 and 4 mm. The torso is the most exposed to the cold, which is why the wetsuit is thicker here. This thickness is suitable for water temperatures of 13-19° C
ECO-FRIENDLY MATERIAL
Made from natural rubber with no traditional neoprene — durable and sustainable
EFFECTIVE WARMTH
Hot_Stuff 3.0 recycled lining traps heat and keeps you comfortable in cool conditions
FLEXIBLE AND COMFORTABLE
Silk_Stuff 2.0 lining and seamless shoulders provide natural freedom of movement
PRACTICAL DESIGN DETAILS
Back zip entry, Water Defender Legs, drain holes, and key pocket enhance everyday usability
Features
- Warmth / Thermo lining - Hot_Stuff 3.0 recycled fiber lining offers warmth and stretch
- Silk_Stuff 2.0 - Soft, smooth inner lining on arms and legs for high comfort level
- Stretch - Minimal seam panel design ensures unrestricted movement
- Neoprene free - Made from natural rubber — oyster shell powder, soybean oil, and eco carbon black
- Seams / Durability - Glued-blind stitched seams with flexible taping at knees and crotch for durability
- Fit - Seam-free shoulders and ergonomic cut for natural motion, back zip entry for easy access
- Extras - Water Defender Legs system, drain holes, key pocket with loop, separate leg straps
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