Socks Darn Tough Boot HW Full Cush. Tactical T4033 Black
Our Extreme Cold Weather/Mountaineering boot sock designed for extreme cold climates or rugged terrain. This is our warmest sock, featuring full terry loop cushioning throughout for maximum warmth. Elastic support at arch. Reinforced heel and toe for increased durability. USAF Safe to Fly Certified and NAVAIR SOA Approved