The cushioning on the entire Performance Hike Full Cushion Crew sock provides added protection and warmth for those chillier hikes. This year’s sock offers Indestructawool technology with extended durability zones for a stronger, longer-lasting sock. Add in the smoothed-out toe seams that enhance in-shoe fit and comfort, and you know your trek will be more enjoyable than ever. So get out and get moving on those trails! Features Indestructawool technology with extended durability zones 4 Degree elite fit system for a dialed-in, performance-oriented fit Additional body-mapped mesh zones for added breathability Virtually Seamless toe for enhanced comfort Comfort welt with 'stay put' fit Women's specific fit Height 7" 60% Merino Wool, 12% Nylon, 25% Recycled Nylon, 3% Elastane Style: SW001574 Care Machine wash warm. Wash inside out. Do not bleach. Tumble dry low. Do not iron. Do not dry clean.