REALTREE Men's Insect Shield Crew Socks Pack (2 Pair) 75% Ringspun Cotton, 23% Nylon, 2% Spandex Made in US Half cushion foot Lightweight Proven to repel mosquitoes, ants, ticks, flies, chiggers and midges Permethrin repellent provides odorless protection Stay up leg and top; Reinforced heel and toe; Made in USA