Made with 4-way stretch Poly/spandex. To ensure the best fit, please select your shoe size when ordering. Attaches at top of lace with hook and to the heel with Velcro. Self-stick Velcro pieces are included for your shoe.

Specs:

• Small - Men's US 3 - 5.5 / Women's US 5 - 6.5 
• Medium - Men's US 6 - 10 / Women's US 7 - 10
• Large - Men's US 10.5 - 12 / Women's US 10.5 - 12 
• X-Large - Men's 12.5 / Women's 12.5