Lightweight Merino Comfort, Amazing FitThe CEP Outdoor Light Merino Sock combines CEP's unrivaled compression technology and Merino wool comfort. The unique blend of nylon, spandex, and wool combine to create a durable, effective partner for your feet and boots no matter how far your adventure will take you. The lightweight design ensures a great fit in even the tightest boots and shoes. Our true progressive compression profile will improve circulation to the foot by stimulating blood flow, and reduce 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 prevent cold feet by absorbing moisture. Strategically placed padding on the ankle bones and over the first metatarsal head adds extra cushion and comfort for even the longest days.Unrivaled WearabilityWith its special temperature regulating design, and anatomic fit, you can expect an even more custom-like feel from the CEP Outdoor Light Merino Sock. CEP's 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 prevention, 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. CEP's high-tech compression fibers wrap around the leg over 300 times. This gives your calf muscle maximum support and stability, and prevents micro tears in the connective tissues that cause shin splints. You'll be able to focus more on the trail ahead than ever before!Wash and Care of the Outdoor Light Merino Sock-Machine wash with cold water-Hang to dry-No bleach, No Woolite, No fancy detergents