You&';ll rarely find a lightweight hunting sock with the same reinforced heel/toe protection and strength we weave into our heavy duty boot socksa | but look no more. The breathable Merino Wool blend insulates when wet, resists odors, and helps regulate your temperature from summer into early fall. Wicking, long-lasting and built for the trail. Made in the USA. Content: 36% Merino Wool, 35% Polypropylene, 20% Nylon, 6% Elastic, 3% LycraA(R) Mens shoe sizes: Medium (5-8), Large (9-12), X-Large (13-15) Womens shoe sizes: Small (4-7), Medium (8-11)