Keep your feet warm, dry, and protected in even the harshest marine conditions with Sharkskin Chillproof Socks. Designed specifically for watersports and scuba diving, these high-performance thermal socks prevent rapid heat loss from your extremities - helping you stay comfortable and focused in the water. Perfect for wearing under dive boots, wetsuit boots, or your favorite watersports footwear, Chillproof socks help maintain warmth and feeling in your feet and toes during long sessions in cold or windy conditions. Why Thermal Protection for Your Feet Matters Your body loses heat quickly through extremities. Without proper insulation, cold feet can shorten dive times and reduce comfort. Sharkskin Chillproof technology combats this by trapping warmth while actively managing moisture. About Chillproof Technology Chillproof is an aquatic-specific, windchill-proof 3-layer composite material engineered to provide thermal protection equivalent to a 2.5-3mm neoprene wetsuit - without the bulk or buoyancy. Unlike traditional neoprene, Chillproof offers superior breathability, flexibility, and layering versatility. Wear it: Under a wetsuit for additional insulation As standalone thermal protection in moderate conditions Layered with other Sharkskin garments for extreme cold Ideal for: Scuba diving Snorkeling Jet skiing Paddle sports Board sports Sailing Wind-based watersports Key Features of Sharkskin Chillproof Socks Advanced 3-Layer Construction Outer Layera Durable Nylon/Spandex blenda Superior abrasion resistancea 4-way stretch for unrestricted movementa Durable Water Repellent (DWR) finish to shed water Middle Layera 100% windproof membranea 10K+ breathable barriera Blocks windchill while regulating body temperature Inner Layera Hollow fiber fleece for warmth and comforta Superior moisture-wicking performancea Keeps feet dry and warm Performance Benefits Neutrally buoyant - no extra dive weight required UPF 50+ sun protection Non-chafing, itch-resistant, and odor-resistant Saltwater-resistant seam threads for long-term durability Easy on and off with high stretch flexibility Built to Last Sharkskin sources technically advanced materials and applies high-end manufacturing techniques to ensure durability in demanding marine environments. These socks are designed for repeated saltwater use and long-term performance. Eco-Friendly Commitment Sharkskin minimizes environmental impact by: Using biodegradable and compostable packaging Reducing manufacturing waste Designing long-lasting products to reduce replacement frequency Sharkskin Performance Guarantee All Sharkskin garments include a 2-year workmanship guarantee.(Excludes fading or degradation from excessive chlorine or prolonged sun exposure.) Sharkskin guarantees your Chillproof socks will perform as advertised. Size Chart - Chillproof Socks Size XS S M L XL 2XL 3XL 4XL Female AU/US 4-5 6-7 8-9 10-11 12-13 - - - Male AU/US - - 6-7 8-9 10-11 12-13 14-15 16-17 Europe (M/F) 37-38 39 40-41 42 43-44 45-46 47-48 49-50 The Smart Choice for Warm, Dry Feet Whether you&';re diving deep, paddling offshore, or riding through wind and spray, Sharkskin Chillproof Socks deliver reliable thermal performance, flexibility, and durability - without the bulk of neoprene. Stay warmer. Dive longer. Perform better.