The Sidas Winter 3 Feet Mid Footbeds will keep you up and moving all day long. Designed specifically for medium-arched feet, these insoles will provide you with incredible foot comfort and support. With winter sports in mind, Sidas integrated an aluminum film on the forefoot which provides you with an added layer of insulation against the cold. Sidas spared no expense when it came to customer satisfaction, so they also made these footbeds help guard against blisters as well as foot pain. Don't make your feet suffer, pick up a pair!