ENGINEERED FOR PERFORMANCE: Feetures engineers products around the body in motion. By combining our experience with our awareness of motion dynamics, we design solutions that unleash the highest level of performance.EXTREME COMFORT: Our Ultra Light socks contain light cushioning that provides extra protection in high impact zones. Our seamless toe provides unsurpassed comfort.MAXIMUM SUPPORT: Power bands of Lycra hug your entire foot for maximum support. This snug, supportive fit eliminates movement to prevent blisters. Y-heel construction keeps the sock from sliding into the shoe.TEMPERATURE CONTROL: Our socks are 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. Mesh construction on top of the sock provides ventilation for added breathe-ability.CARE INSTRUCTIONS: Machine wash cold. Hang to dry. No bleach or fabric softeners. For best results, wash socks inside out.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.