Fox River Adult Military Fatigue Fighter Over-The-Calf Compression Socks 60% Polyester/35% Nylon/5% Spandex Made in US PART OF HIGH PERFORMING FATIGUE-FIGHTER SERIES: Gentle 8-15 mmHg graduated compression increases blood flow to fight fatigue and give you extra pep; lightweight cushioning good for all weather conditions KEEP ODORS AT BAY: Scentry helps permanently defend your socks from odor; natural and man-made agents make this technology a sure way to be confident about sock odor, embedded fiber like silver or copper or with a micropolymer silane technology which slows wear and reduces odor in the sock CUSTOM FIT: URfit System provides the ultimate personalized response fit combining memory knit compression, a contoured rib top and spandex compression zones STAY DRY WITH WICK DRY: Our exclusive technology quickly draws moisture away from your skin so your feet stay dry and comfortable; removes any moisture build up which reduces hot spots and friction that causes blisters BACKED BY COMPANY STANDARDS OF EXCELLENCE: Fox River products are guaranteed against manufacturing defects for one year; products may be returned within one year with the dated receipt to the store where you purchased them or by following our FoxSox.com return process