Orca Base Layer 0.5 mm neoprene top for open water swimming and triathlon: thermal insulation, Open Cell lining and full freedom of movement under a wetsuit.
With only 0.5 mm thickness, this t-shirt has been specifically designed to provide additional warmth without compromising the fit of your main wetsuit. It can be worn under any suit (triathlon, open water or surf) to create a strategic insulating layer around the torso, the area where heat loss is most critical.
The inside of the Orca Base Layer features an Open Cell lining. This “raw rubber” texture provides exceptional grip, allowing the garment to stay perfectly close to the body.
By limiting water circulation between the fabric and the skin, this technology maximizes thermoregulation and prevents cold water flow sensations during swimming.
Unlike adding a thicker vest, the ultra-thin Base Layer maintains complete flexibility. The panels are ergonomically assembled to avoid restricting shoulder rotation or arm extension during the pull phase.
You keep your natural swimming range of motion while benefiting from significantly better cold protection than a standard lycra top.
Although designed as a base layer, this t-shirt can also be worn on its own in temperate waters to protect against wind or UV rays.
Its low neckline prevents additional irritation around the neck when worn under a wetsuit. The minimalist Black designmakes it a discreet and technical piece that easily fits into any demanding swimmer’s gear.
Thickness: Ultra-thin 0.5 mm neoprene
Inner lining: Open Cell coating for optimal grip and insulation
Fit: Close-fitting (second-skin) to reduce water circulation
Compatibility: Ideal under a swimming or triathlon wetsuit
Use: Open water swimming, triathlon, cold-water training
Benefit: Thermal protection without restricting mobility
Color: Black
Orca – Triathlon Wetsuits, Trisuits and Accessories
Orca is a leading brand for triathletes, specializing in wetsuits, trisuits, and accessories for women and men. Perfect for open water and triathlon races, Orca combines performance, comfort, and advanced technology to optimize your results.
Orca Wetsuits and Trisuits
Orca wetsuits and trisuits improve buoyancy, body position in the water, and freedom of movement. Each model is suitable for all levels, from beginner to advanced triathletes, ensuring optimal performance during training and competition.
Orca Triathlon Accessories
Complete your gear with Orca accessories: swim goggles, race belts, neoprene socks, and other technical products for open water and triathlon. These details make a difference on race day, enhancing comfort and performance.
Why Choose Orca at Running Concept
At Running Concept, we select the best Orca products to provide triathletes with reliable, high-performance gear. Benefit from expert advice, fast delivery across Switzerland, and an optimized shopping experience to find the perfect Orca equipment for your goals
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