Junior wetsuit with long sleeves and long legs. Made of 3.5 mm thick neoprene, and in critical areas—most prone to cooling—4.5 mm. In addition to providing thermal comfort, neoprene also minimises the risk of skin chafing. The O'Neill Hyperfreak Fire series focuses on extreme warmth, high flexibility, increased durability, and comfort—TechnoButter 4 Firewall is one of the most insulating and lightest neoprene suits in history, with a heat-retaining inner thermal layer and quick-drying properties.
It features a front zip. Its placement on the chest not only facilitates putting the wetsuit on, but also minimises the amount of water that enters inside. The fitted cut and ultra-light flexible TechnoButter4 materials ensure great body adherence while offering complete freedom of movement. A more durable material is used in the knee area. The seam-free area around the armpits increases comfort and efficiency while swimming.

Product highlights
THICKNESS 4/3 mm
Choosing a wetsuit, pay attention to the thickness of the neoprene. Varying thicknesses of 4 mm and 3 mm ensures thermal comfort during the spring and autumn seasons
TECHNOBUTTER 4 MATERIALS
TB4, TB4X, TB4 Firewall, and TB4 Air Firewall are materials made from recycled materials that use graphene fibres, providing incredible elasticity, strength, and thermal properties
ZIP ON THE CHEST
The front zip makes it easy to put on and allows for quick ventilation when it gets too warm. The chest zip is short and positioned high, which helps reduce water entry and maintains comfort for longer
FULLSUIT DESIGN
Often chosen due to the long sleeves and long legs that protect the whole body from the cold and potential abrasions
Features

- Krypto Knee Padz - Egronomic knee protection - The knee area uses a fabric with increased resistance to minimise possible abrasion in the most vulnerable areas
- GBS taped Seams - The seams are first glued and then sealed on the outside with a high-quality silicone-based urethane. This makes the joints extremely durable, flexible and effectively blocks water penetration
- Drainholes - Strategically placed drain holes ensure that water drains quickly from the inside of the wetsuit
- Double Super Seal Collar - It consists of a two-layer glideskin construction that effectively blocks water ingress while providing warmth and comfort. It fits comfortably around the neck, minimising the risk of leaks
- Minimal Seam Design
- Tapered Fit Wrist & Ankle Seals - Seals within the cuffs minimize water entry into the wetsuit

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