A superb fit, with adjustable arch support to help optimize comfort and enhance pedalling efficiency. The Giro X-Static Supernatural Footbed Fit Kit combines a cycling-specific footbed with an adjustable arch support system that allows riders to choose the amount of support needed - creating a custom fit right out of the box.Key Features:Cycling specific design with X-Static anti-microbial fibre,.What\'s Included:2 Footbeds,3 Sets of arch support (low, medium, high).