Don't let pain and stress get in the way of your hikes, the special engineering of these socks provides protection and comfort for men prone to blisters, foot pain, or discomfort. Design: Constructed with THORLON(R) blended with THOR*WICK(R) COOL fibers for superior softness, resilience, durability and extra moisture-wicking for drier, cooler feet Cushioned instep and arch for a better fit, more support and less pressure on the feet Additional Details Fiber content: 65% THOR*WICK(R) COOL polyester, 16% nylon, 14% THOR*LON(R) Acrylic, 5% elastic