Blister GuardŽ protection in the ultimate military boot sock Blister GuardŽ technology using Friction Free nylon to reduce friction against the skin DuraspunŽ acrylic for moisture management and cushion Turn welt top with LycraŽ rib cuff for stay up comfort Fully cushioned foot with side air channels for all day comfort Padded shin area for protection at the boot laces Friction Free nylon in heel and toe areas to reduce friction that will significantly reduce blisters, hot spots and abrasions. Mid calf Heavy weight Contents: 65% DuraspunŽ acrylic, 20% Friction Free nylon, 14% nylon, 1% LycraŽ spandex |