Athletic Socks: These Feetures socks are engineered with Targeted Compression and anatomical design that conform to the left and right structure of the foot providing a custom-like fit and reduced risk of blisters because of the seamless toe construction Ultra-Light Cushion Sock: Our thinnest cushion option provides a lighter, cooler feel and takes up minimal room inside the shoe Quarter Socks for Women & Men: The 2" quarter length cuff offers the perfect amount of ankle protection from rocks, dirt and mud Breathable Socks for Men & Women: These sports socks are made with moisture-wicking fibers to keep feet cool and dry; plus no irritating toe seam Feetures Lifetime Guarantee: Our family-owned company takes pride in products that are built to last, which is why we are happy to provide a Lifetime Guarantee on all our socks; if unsatisfied, return for a replacement