The Merino Phase 14/15 Womens Socks from Burton 38% Nylon, 22% Merino Wool, 18% Acrylic, 11% Polypropylene, 9% Nano GLIDE, 2% Spandex Medium & Extra-Density Cushioning Throughout Sock Quick-Drying & Stink-Proof Polypropylene Reinforced Footbed Elastic Arch & Ankle Support Chafe-Free Link Toe Seam Sock Lock Reinforcements DRYRIDE Ultrawick Venting Toe Panels Ergonomic, Articulated Left & Right Motion Fit Stay High Comfort Band Lightweight Give your feet an unfair advantage with the smartest sock in snowboarding. Built with discarded space ship technology, the lightweight womens Burton Merino Phase Sock is a blend of the most advanced features & materials known to sock science. High-tech fibers include super insulating Merino Wool, stretchy spandex, plus Nano GLIDE which ramps up abrasion-resistance while eliminating friction to prevent overheating & sweating. DRYRIDE Ultrawick Venting Toe Panels are like the dual overhead cams of socks, wicking away heat-robbing moisture at warp speed. Going one step further, the sock is also engineered with anatomical padding & an ergonomic Motion Fit, which our lab rats tell us, will allow you to carve quicker, ollie higher, & hike like your living in fast forward.