Thorlo Walking Mini Crew Sock Level 3 wmx Unisex Large White Moderate cushioning in heel and forefoot helps protect feet from impact of walking; Comfortable, non-binding, non-sagging fit Lightweight padding in instep and added spandex in arch provide a more comfortable fit with ultimate support Moisture-wicking Thor-lon acrylic fibers are finely spun to maintain softness and resilience, maximizing comfort, protection and durability Helps relieve Blisters, Foot Perspiration, Hyperhidrosis Stretch nylon enhances fit and helps retain shape; Contoured heel and toe pockets offer a comfortable, anatomical fit that stays in place; Made in USA