These mid calf length socks are designed to bring extra comfort and durability when wearing with your steel toe boots. The toes and heels are reinforced to provide extra strength in those areas. The collars have elasticity and will stay in place to keep its shape. Two pairs of socks are included in each pack. 60% Cotton / 23% Nylon / 15% Polyester / 2% Spandex. Made in USA.