The cushioning on the entire Smartwool 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! Full Cushion: Medium thickness with full sock cushioning. Features: Sock Height: CREW Indestructawool™ Technology with extended durability zones 4 Degree™ Elite Fit System for a dialed-in, performance-oriented fit Mesh zones for added breathability Virtually Seamless™ Toe for enhanced comfort Comfort welt with 'stay put' fit Women's specific fit Made in the USA of Imported Yarn: 61% Merino Wool 37% Nylon 2% Elastane