The ION Seek Core 4/3 Overknee LS Front Zip is a versatile wetsuit for surfers and kitesurfers who want protection in cooler waters without sacrificing mobility. Its overknee cut — with legs ending just below the knees — provides warmth and coverage while allowing unrestricted movement and easy entry and exit from the suit.
Constructed from natural rubber derived from oyster shell powder, soybean oil, and eco carbon black, it offers an eco-friendly alternative to traditional neoprene. Inside, the Hot_Stuff 3.0 lining made from recycled fibers provides excellent thermal insulation and flexibility. The soft Silk_Stuff 2.0 inner lining in the chest, shoulders, and sleeves ensures comfort and a smooth feel against the skin.
The glued-blind stitched seams (GBS) with flexible taping at the knees and crotch keep water out and enhance durability. A minimized panel design and seamless shoulders improve freedom of movement, while the soft-adjust front zip system allows easy one-handed adjustment. Additional practical features include reinforced drain holes at the chest, a key pocket with loop, and a replaceable drawcord.
ION Seek Core 4/3 Overknee LS Front Zip is a smart, comfortable wetsuit for riders who value freedom, flexibility, and reliable warmth in a simple yet functional package.
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
THICKNESS 4/3 mm
This wetsuit uses neoprene with variable thicknesses of 4 and 3 mm. Suitable for cool conditions - 11-16°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 - Drain holes, key pocket, replaceable drawcord, and separate leg straps
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