Fourth Element Women's Thermocline Long Sleeve Top
- Neoprene-Free & Eco-Conscious Design – Crafted with 78% recycled nylon in the outer layer, offering a sustainable wetsuit alternative without sacrificing performance.
- 2mm Neoprene Equivalent Warmth – Delivers thermal protection comparable to a 2mm wetsuit while remaining lighter and more flexible for unrestricted movement.
- Lightweight, Windproof & Waterproof Fabric – Shields against wind chill and external elements, helping maintain core warmth during diving, snorkeling, paddling, and other watersports.
- Breathable & Neutrally Buoyant – Designed to regulate comfort while maintaining neutral buoyancy, so you stay streamlined and properly weighted underwater.
- Machine Washable & Travel Friendly – Easy-care construction makes it simple to clean, pack, and reuse—ideal for frequent divers and active ocean enthusiasts.
Experience the next generation of oceanwear with the Fourth Element Women’s Thermocline Long Sleeve Top. Designed as the original neutrally buoyant wetsuit alternative, Thermocline delivers thermal protection equivalent to a 2mm neoprene wetsuit—without the bulk. Lightweight, flexible, and exceptionally comfortable, it’s ideal for diving, snorkeling, freediving, and other active watersports. Part of the OceanPositive collection, this innovative top is made using recycled “Ghost” fishing nets, helping reduce ocean waste while delivering high-performance protection. Perfect for those sensitive to neoprene, it can be worn on its own in warm conditions or layered under a wetsuit for added core warmth. Machine washable and travel-friendly, Thermocline is built for divers who want comfort, performance, and sustainability in one streamlined design.
WARNING: This product can expose you to chemicals including lead, which is [are] known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov


