COMFORTABLE FIT: These socks are specially designed for skiers. No cold feet during skiing. Prevent muscle pain, cramps, and ensures quick recovery. Made from merino wool for a comfortable and warm feel. EFFECT: The ski socks contain compression. This improves blood circulation in the legs. This prevents cramps, tired legs or cold feet. SUPERIOR QUALITY: STOX Energy Socks are premium compression socks made of high quality and durable materials. Pressure class 2 Compression (23-32 mmHg). 100% Made in Italy. WARRANTY: 30 days money back guarantee and free shipping on all orders. Already more than 350,000 satisfied users. Rated 4.6 out of 5 on Trustpilot based on 14,000 reviews.