PERFORMANCE: The Best for Hiking, Camping, Mountain Biking, Trail Running, Backpacking, Travel, Trekking and Other Athletic Outdoor Activities and Wide Variety of Winter Sports. BLENDED FOR STRENGTH & DURABLILITY : Made of 55% Combed Cotton, 40% Polyester, 2% Spandex. Socks are designed to keep your feet warm and dry during the rigors of trekking the earth’s wild place. They are Strong and durable socks. COMFORTABLE SUPPORT: Socks are reinforced with high-density fibers and pile cushioning in the underfoot area for added comfort when hiking, walking, or during any outdoor activities, It protects the foot from shear and prevents painful blisters DESIGNED TO BE COMPRESSED & FOR ELASTICITY: Socks are designed to feature a med-compressed & elasticity to gently support and protect an Arch, Ankle, Heels and Stay up, Compressed Top Holds the sock securely on the calf 100% SATISFACTION GUARANTEE: We stand behind our brand product, and we know these will be the best outdoor hiking socks you will ever wear. If for any reason you are not fully satisfied with our quality, simply send back the socks to Amazon.com within 60 days for full refund!