The Merino Winter Wool� sock combines a versatile 5.5� cuff length for style and coverage with tights, with the warm feel and amazing comfort that only wool can provide in cooler conditions. It�s thin enough to get a precise fit inside your cycling shoe, yet durable enough to wear on and off-road any time of year. Plus, it�s also naturally resistant to odors, and helps to wick moisture away from your skin.