WARM INSULATION: Experience durability at its peak with the Smartwool Women??s PhD Ski Light Pattern Sock. These socks are built for performance in the highest degree, making them ready for any adventure on your list while keeping your feet toasty warm. COMFORTABLE FIT: The Virtually Seamless toe, women??s specific fit, and 4 Degree Elite Fit System at the ankle flex zone on the Women??s PhD Ski Light Pattern Sock provides all day comfort during any activity. DURABLE YET BREATHABLE: The Women??s PhD Ski Light Pattern Sock features Indestructawool technology for exceptional durability and comfort all season long. MEDIUM CUSHION: The medium cushioned bottom on the Women??s PhD Ski Light Pattern Sock will provide you with maximum impact protection with targeted cushioning on the ball and heel of your foot. Specially designed for skiers, these socks won??t bunch, slip, or bind, ultimately allowing you to push through even the most intense workouts. CARE INSTRUCTIONS: Comprised of 62% Merino Wool, 36% Nylon, and 2% Elastane, the Women??s PhD Ski Light Pattern Socks should be machine washed inside out in warm water and tumble dried on low. These socks should not be bleached, ironed, or dry cleaned.