13" (33 cm) height; Merino wool temperature-regulating chassis; ScentBlock anti-microbial coating; Cushioned footbed enhances comfort; Vented instep zone to mitigate heat; Embedded arch support to reduce fatigue; U.S. veteran designed and developed; 1-year workmanship and materials warranty; Packaged as a single pair; Due to the nature of this product, socks are non-returnable