Fun patterns and colors make the SmartWool Chinchero Crew Sock a cinch to mix and match with all your favorite outfits. Slightly cushioned to absorb shock for long days on your feet, the Chinchero Sock boasts SmartWool's exclusive WOW (Wool-on-Wool) Technology in the heel and forefoot for exceptional foot protection in high-impact zones. This ultra-cozy sock is knit from 74% Merino wool, 25% nylon, and 1% elastane fabric. Crew height. Made in the USA.