Our Tactical Boot Lightweight Mid-Calf Military Sock is designed for heavy use and is reinforced with low profile cushioning to protect your feet from daily impacts. The quick-dry fibers allow for easy washing, while our exclusive Wick Dry™ technology keeps your feet dry. The URfit® System provides support and prevents bunching and blistering. URfit® System provides arch support and memory-knit construction Cushioned sole absorbs shocks and insulates Multi-filament yarn construction makes it very abrasion resistant and adds durability Smooth, flat comfort toe seam 69% polypropylene, 26% nylon, 3% polyester, 2% spandex