Simply Underwear

Protection and comfort are key to this high performance, impact-protecting running sock from Thorlo. Product Features: Level 3 guards your foot from blistering & impact forces * Extra ball & heal protected with heavyweight padding * Constructed with moisture-wicking fabric for drier feet * Excellent fit and support with lightweight arch padding * 87% acrylic yarns, 12% stretch nylon, 1% spandex Sizing: * Medium fits Men shoe size 5.5-8.5, Ladies shoe size 6.5-10 * Large fits Men shoe size 9-12.5, Ladies shoe size 10.5-13