he Atleetti socks fit perfectly and feel pleasantly warm. The shaft is long enough to reach above the cuff of ski boots if neededan important comfort feature, as it prevents the boot edge from pressing against the skin. The material blend of the Atleetti socks contains 28% merino wool, which helps regulate temperature, reduces odor buildup, and feels wonderfully soft against the skin. The other fibers enhance durability and improve drying time. - Extra padding on the toes, ball, and heel - Wool is responsibly sourced - Machine washable with wool detergent; do not use bleach or fabric softener - Shrinks about 5% in the wash - Air dry; do not tumble dry