Oakley SI Boot Socks provide mobility and protection to military service members across the globe. These military boot socks effectively wick moisture away from the skin, preventing blisters and keeping the feet dry. Breathable polyester construction and a vented mesh panels across the top of the foot ensure lasting comfort even during long hours of wear. With antimicrobial properties to bust odor-causing bacteria, these Oakley boot socks keep your feet odor-free all-day long. Product details: Product Color: Worn Olive Features Material: 93% Polyester, 3% Nylon, 3% Rubber, 1% Elastane Moisture Wicking, Fast-drying Mesh Ventilation Boot Specific Cushion Zone Seamless Toe Arch Band Cushioned Footbed Imported Sizing: Men's: S 3.5-5.5 | M 6-8 | L 8.5-10.5 | XL 11-13 Women's: S 5-7 | M 7.5-9.5 | L 10-12