This sock is a high performance ski sock, knitted with 200 needles and designed without yarn cut around the skin of the shin and your feet for better comfort and precision when skiing. Compressive and ultra-low volume, these socks work like a second skin and offer a direct connection to the boot, the gripping yarn strip under the foot improves contact with the ski boot soles for a better ski feel. Made from recycled fibres such as organic merino wool and silk and recycled polyamide, these socks take care of the environment as well as your feet. Features:  Precision: 3 factors ensure the precision of the socks in skiing: sock knitting, thickness and tension. These socks are knitted with 200 needles and are fully engineered with an inside-out construction (no yarn cut into the socks), one of the highest definitions available for socks, the tension is strong but inclusive to keep the sock around the feet and legs and the thickness is low to improve contact with the ski boot Transmission: A strip of yarn with silicone under the foot improves contact with the ski boot soles. The foot remains close to the sole for better transmission and precision Compression: Compressive Tension socks (20 to 30 mmHg), that support blood flow and muscle stabilisation. For skiers, this means better recovery, less muscle vibration and improved performance Ultra Low Volume Composition: Organic merino wool 35% Polyamide 22% Recycled polyamide 20% Silk 12% Elastane 9% Silicon Yarn 2% Unisex Colour: Black/Yellow Ski Ultrafit Race Socks - Black/Yellow