Fourth Element Men's Thermocline Vest
- Neoprene-Free Performance Design – Crafted with an outer layer made from 78% recycled nylon, delivering eco-conscious construction with high-performance comfort for diving, snorkeling, paddling, and watersports.
- 2mm Neoprene-Equivalent Warmth – Provides thermal protection comparable to 2mm neoprene without added bulk, helping maintain core warmth in and out of the water.
- Lightweight & Breathable Comfort – Advanced breathable fabric allows moisture vapor to escape, keeping you more comfortable during active dives and surface intervals.
- Windproof & Waterproof Outer Layer – Built to shield against wind chill and external moisture, making it ideal for boat dives, beach entries, and paddle sports.
- Neutrally Buoyant & Easy Care – Designed to maintain natural buoyancy in the water and fully machine washable for simple post-dive maintenance and long-term durability.
Boost your core warmth without adding bulk. Designed to be worn under a wetsuit, this performance vest delivers thermal protection comparable to an extra 2mm of neoprene while remaining neutrally buoyant and allowing full freedom of arm movement. It helps minimize the flush sensation through the zip area, keeping you noticeably warmer and more comfortable throughout your dive. Versatile and lightweight, it can also be worn on its own or paired with Thermocline shorts for reliable core insulation during summer paddling, snorkeling, or other warm-water adventures. An essential layering piece for divers and watersports enthusiasts who want added warmth without restricting mobility.
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


