Ships in 1-2 business days | Based in Fremont, CA | Est. 2013 Keep $h!t out of your shoes and boots! Attaches at the top of the lace with a hook and to the heel with Velcro. Self-stick Velcro pieces are included for your shoe. _______________________________________________ Sizing:  Sizing  Men's Women's EU Small 3.5 - 5 5 - 6.5 36 - 37 Medium 6 - 10 7 - 10 38 - 41 Large 10 - 11.5 10 - 12 41 - 43 X-Large 12+ 12.5+ 43+   Weight: 1.1oz | 31g (per pair in medium) *Weight may vary due to fabric variation Materials: 4-way stretch lycra: 80% nylon 20% spandex