The ION Seek Core 5/4 Front Zip is a versatile wetsuit for riders looking for dependable warmth and everyday performance. Built from natural rubber derived from oyster shell powder, soybean oil, and eco carbon black, it provides an environmentally friendly alternative to traditional neoprene.
The ION Seek Core 4/3 Front Zip is a versatile wetsuit built for riders who want dependable warmth and comfort through most of the season. Crafted from natural rubber derived from oyster shell powder, soybean oil, and eco carbon black, it’s an eco-friendly and durable alternative to traditional neoprene.
The interior features Hot_Stuff 3.0 lining made from recycled fibers, providing excellent thermal insulation while maintaining high stretch. In key flexibility zones — shoulders, chest, and sleeves — the Silk_Stuff 2.0 lining ensures a soft touch and unrestricted movement. A minimal panel layout and seamless shoulder design enhance comfort and mobility, letting you move naturally both in and out of the water.
Glued-blind stitched seams, flexible tape reinforcements at the knees and crotch, and strengthened stress points improve durability and water resistance. The front zip system with soft adjustment makes getting in and out easy, while drain holes quickly release trapped water. Additional details like a key pocket with loop and replaceable drawcord add everyday functionality.
ION Seek Core 4/3 Front Zip is a smart choice for riders seeking a reliable mid-season wetsuit that combines warmth, flexibility, and comfort without overcomplicating things.
Material: 80% Natural Rubber / 10% Polyamide / 10% Polyamide (recycled)
Product highlights
ZIP ON THE FRONT
If you're looking for ease and speed in getting your wetsuit on, this model is perfect for you. The long zipper at the back makes it much easier to both get into the wetsuit and take it off. Attach the strap from the zipper to the Velcro strap so that it does not interfere with your session
WETSUIT 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 and recycled fibers — completely neoprene-free
RELIABLE WARMTH
Hot_Stuff 3.0 lining effectively traps heat and keeps you warm in cold water
FLEXIBILITY AND FREEDOM OF MOVEMENT
Silk_Stuff 2.0 and seamless shoulders allow unrestricted motion and natural comfort
DURABLE AND SEALED CONSTRUCTION
Glued-blind stitching with flexible tape reinforcements in stress areas ensures longevity
Features

- Warmth / Thermo lining - Hot_Stuff 3.0 recycled fiber lining provides warmth and flexibility
- Silk_Stuff 2.0 - Soft, smooth inner lining in arms and legs for enhanced comfort
- Stretch - Minimal seam design and flexible construction for natural freedom of movement
- Neoprene free - Made from natural rubber — oyster shell powder, soybean oil, and eco carbon black
- Seams / Durability - Glued-blind stitched seams with reinforcement in knees and crotch for extended durability
- Fit - Seam-free shoulders and soft one-hand adjustable front zip for customized fit
- Extras - Water Defender Legs, drain holes, key pocket, replaceable drawcord, and separate leg straps
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