This T2 COOLMAX Liner Sock is designed for activities where moisture is an issue. The COOLMAX fibres work to move perspiration away from the body, and through the fabric, where it can evaporate quickly, allowing the wearer to feel cooler and more comfortable. High Coolmax® content in a fine or liner sock for greater wicking of moisture away from the foot. Suitable Seasons Spring Summer Autumn Winter Sock Thickness Light Sock Height Crew Sock Content 75% Polyester Coolmax®, 15% Nylon, 10% Ea. LYCRA® SIZE GUIDE Size Europe XS 31-34 S 35-38 M 39-42 L 43-46 XL 47-50