"Our merino-blend trail socks, designed to slip into your hiking boots with breathable, sweat-wicking wool and performance cushioning for maximum comfort on the longest of hikes. Design: Zoned cushioning and compression Crew-length, light compression Additional Details 50% Wool, 43% PA, 7% Elastane - Merino Wool Blend 30F to 65F weather rating Machine wash cold. Do not bleach. Hang to dry. Do not iron. Do not dry clean.