The Arctic drysuit undersuit is complemented by the Arctic socks, which completes the thermal protection system, offering low bulk thermal protection to the extremities. The two layer construction is warm and comfortable, and the inner liner can be pulled out from the outer liner to speed drying times. Stay warm and protect our oceans with Fourth Element Arctic Socks—the ultimate thermal socks for divers, free divers, and water sports enthusiasts. Made from 82% recycled materials, these high-performance socks combine sustainability with advanced insulation to keep your feet warm in temperatures as low as 5°C (41°F). Ideal for:✔ Cold-water scuba diving✔ Freediving & spearfishing✔ Surfing & paddle boarding✔ Winter water sports Ocean Positive Commitment:Every purchase supports marine conservation initiatives—Fourth Element removes 1kg of ocean plastic for every product sold. Key Features & Benefits ✅ Ultra-Warmth: 3mm Thermo-X™ insulation retains heat in frigid conditions✅ Eco-Friendly: 82% recycled nylon from fishing nets & plastic waste✅ Seamless Design: Reduces chafing and blisters✅ Durable & Quick-Drying: Reinforced heel/toe with anti-slip grip✅ Versatile Fit: Fits snugly under wetsuit boots or drysuit liners Technical Specifications Material: 82% recycled nylon (ECONYL®), 18% elastane Thickness: 3mm neoprene-free insulation Sizes: S (US 3-5), M (US 6-8), L (US 9-11), XL (US 12-14) Weight: 85g per pair (lightweight) Care: Machine wash cold, air dry Certifications: Ocean Positive, Bluesign® approved