Skiskootys ski boot traction cleats are adjustable comfort soles for boot bottom protection and comfort while walking in alpine ski boots. Traction soles are designed to fit on ski boots make it easier and safer to walk in your boots on the snow, the ice, and any other slippery area while skiing. Each skooty is adjustable and will fit on most sizes of ski boots. Durable comfort soles have a curved design to give you a more natural heel-toe walking motion. Available in red, pink, neon green, black and blue colors. Skiskootys are made in the USA, and offer the ultimate protection and convenience on your ski outings this winter! Adult Sizing Characteristics: Ski Boot Bottom is 225 mm – 300 mm; Women's size – 5 to 12; Men's size – 4 to 11; Mondo 26-32.5. Youth Sizing Characteristics: Youth size – 3 to 5; Women's size – 4 to 6; Mondo 25.5-27