Product Details Weight Lightweight Utilizes a dense but thin cushion in an area such as the heel, sole and/ or ball of foot. Cushion Zone Cushion Comfort and shock absorption is knit into targeted areas, typically the heel and toe. Materials 41% Stretch Nylon, 35% Merino Wool, 19% Polyester, 5% Spandex, Liner: 100% Stretch Nylon Care Instructions Description Adventure meets artistry in the Wigwam Cacti Mid-Crew Lightweight Sock. Featuring Wigwam’s revolutionary Ingenius® technology, this sock combines a moisture-wicking liner and durable outer sock into one seamless layer—goodbye blisters, hello all-day comfort. Details Sock and liner in one. Ingenius zone lining for maximum moisture control. Breathable mesh instep. Elasticized arch for a great fit. Seamless toe closure. Special Features INgenius™ Dry Feet No Blisters Merino Wool Breathable Mesh Seamless Toe Insulating Wool Made in the USA