Merino comfort, perfect fit the CEP ski Merino sock is an amazing combination of CEP technology and Merino wool comfort. These combine to give the ski Merino sock features unrivaled by any other brand. The nylon/spandex/wool blend features our unique progressive compression profile that improves circulation to the foot by Stimulating blood flow, and reduces swelling over the course of the day. Wool is one of Mother Nature's best fibers; it provides both insulation and cooling, and it can reduce cold feet by absorbing moisture. Strategically placed padding on the shin and ankle bones adds extra cushion and comfort for even the longest on snow days. With its special temperature regulating design, and anatomic fit, you can expect an even more custom-like feel from the CEP ski Merino sock. CEP high-tech compression wool blend fibers and toe-box elasticity ensure a perfect fit and a reassuring feel. The socks wrap snugly around the feet creating a second-skin, providing you with an unbelievable boot fit, guaranteed blister reduceion, and one-of-a kind wearing comfort. Our progressive design features our true compression technology that is scientifically proven to increase circulation by up to 40%. you will feel lighter on your feet, and less fatigued. Wash and care of the ski Merino sock - machine wash with cold water - hang to dry - no bleach, no Fancy detergents