Jobst Sensifoot Over The Calf Sock White X Small Physical Therapy Converts to either backpack or Color:Yellow Converts to either backpack or shoulder bag * Adjustable waist belt and ergonomic comfort backpack straps * Cylinder pouch with generous padding and stabilizing strap * Large accessory pocket * Designed for superior ventilation and safety * Large fits waist circum Flat low profile toe seam reduces irritation and pressure on toes * Acrylic padding reduces friction and provides cushioning for comfort * Acrylic yarn wicks away moisture to help keep feet cool and dry * Antimicrobial finish helps prevent growth of bacteria and fungi on the sock and helps eliminate odor *