Tilley Unisex TA801 Walking Socks 60% Merino Wool/ 25% Nylon/ 10% Friction Free Polyester/ 3% Polypropylene Made in USA Happy feet - cushioned sole keep feet more comfortable during long hikes Blister free feet - Friction Free polyester helps prevent blisters Superior wicking capabilities to keep feet warm & dry Reduces odour-causing bacteria Dries overnight in dry climates (may need extra help in humid ones) almost always