ALL WEATHER MERINO WOOL SOCKS − Merino Wool makes up 68% of total yarn weight. The wool yarn is then wrapped in nylon for softness, durability and low shrinkage. These tactical socks are Certified Flame Resistant (FR), and utilize highly-engineered fibers to accelerate wicking, absorption and evaporation of moisture, regulation of temperature and resist odors - perfect for any weather. DESIGNED FOR WARFIGHTERS − Crafted with arch support for comfort and blister prevention. The compression army socks are Berry Amendment Compliant which means the socks are sourced and produced in USA. Manufactured specifically for warriors, military, and warfighters but also ideal as running compression socks or hiking socks for men and women who love active lifestyle. FATIGUE FIGHTING − The 8-15 mmHg mild, graduated compression in these mid-calf pressure socks provide arch support and improve blood flow and circulation to help combat tired and achy feet. These support socks allows the flow of oxygen-rich blood back to your legs resulting in greater strenth and vitality. EXTREMELY COMFORTABLE – Intricately cushioned on the sole, above the arch, heel and shin with aeration panels above the foot and in the leg area, this military boot socks provide an ideal blend of maximum comfort and durability. Plus a seamless toe construction cradle your feet. MADE LEGEND TUFF IN THE USA – Proudly made in our North Carolina Mill, packaged by SKILCRAFT workers, supporting jobs for the blind. LEGEND Compression Wear Socks for all weathers are made to the highest quality and production standards. Available in coyote brown, foliage green, olive green, and black color variations.