Fox River Safe to Fly Heavyweight Mid-Calf Boot Military Sock

Featuring all the attributes of the Medium weight USAF certified Safe to Fly cold weather sock this heavy weight version boasts 82% Merino Wool and full cushioning providing the ultimate in warmth comfort and safety. Also Made in USA and 100% Berry Compliant you can count on these socks to stand up to the harshest of environments.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 seam82% Merino Wool 11% Nylon 5% NanonglideA(R) Nylon 2% SpandexStyle #6065