Fox River Safe to Fly Medium Weight Mid-Calf Boot Military Sock

These durable Made in USA fully Berry compliant socks are USAF certified Safe to Fly. They provide all the warmth comfort and features needed in a high performance environment with the added safety and assurance that your feet will be protected by our flame resistant and certified “no drip no melt” technology.Unisex fitURfitA(R) System provides arch support and memory-knit constructionCushioned sole absorbs shocks and insulatesMulti-filament yarn construction makes it very abrasion resistant and adds durabilitySmooth flat comfort toe seam70% Merino Wool 20% Nylon 8% NanonglideA(R) Nylon 2% SpandexStyle #6064