Engineered For Performance And Extreme Comfort: Feetures engineers products for the body in motion. Our Elite socks have a unique anatomical design that enhances fit, delivering maximum comfort and protection by eliminating blisters. The seamless toe provides unsurpassed comfort. Lightweight: The ultra thin construction takes up less room in the shoe and are perfect for those who prefer a lighter, cooler feel. Temperature Control: Our Ultra Light socks are super thin and designed to keep feet cool under the most intense conditions. iWick fibers do a superior job of wicking moisture to keep feet cool and dry. Targeted Compression: Zone-specific compression where you need it most for superior comfort and support. Lifetime Guarantee: Feetures stands behind the quality of their socks and wants you to have a great experience with every product they make. If at any point you are unsatisfied with one of their products, you may return it for a replacement or a refund.