Safe to Fly Heavyweight Mid-Calf Boot Military Sock
- Free Domestic Shipping on Orders Over $50*
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 fit
- 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
- 82% Merino Wool, 11% Nylon, 5% Nanonglide® Nylon, 2% Spandex
- Style #6065


How should I take care of my new favorite Fox River items?
SOCKS - Machine wash warm, inside out. Do not bleach. Tumble dry on low. Do not iron. Do not dry clean. Note: Care Instructions are listed on each product page and on every package.
HANDWEAR - Hand wash, warm with mild detergent or soap. Gentle hand wring. Dry flat.
Free shipping, with minimum order value $50.00 (after discounts), is currently available to customers through economy shipping service only. This excludes bulk orders. The ship-to address must be in the contiguous United States. If you have eligible products in your cart, and have met the minimum threshold of $50.00 (after discounts), those will be shipped for free.