Full-cushion hiking socks intelligently engineered for hiking comfort with Hex Tec technology – Thermoregulating ventilation to keep you cool in the summer and warm in the winter, and moisture-wicking innovation to keep your feet comfortable on all your outdoor adventures, year-round. Features Sure-Fit Cuff Seamless Toe Y-Stitched Heel Full Cushion Reinforced Heel + Toe Airflow Venting Hex Tec Full Fabric Content Hiking Quarter Socks : 50% Polyester 30% Cotton (Organic) 17% Nylon 3% Elastane Hiking Quarter Socks : 64% Polyester 30% Cotton (Supima®) 3% Elastane 3% Nylon Imported Care Details Machine wash cold on gentle cycle, Only non-chlorine bleach when needed, Tumble dry low, Do not iron, Do not dryclean, Do not use fabric softeners