Obsidian Slide Board Booties The Ultimate Sliding Booties Compatible All Slide Boards The Obsidian Booties are made from a special formulation of Polyester & Elasthan which maximizes durability and glide effect Extra Durable Slide Board Booties that are Super Soft and stretch out to any size Protect your slide board all while getting the best results from a great glide Wear over your favorite athletic shoe and slide like a pro., the booties will provide countless workouts From Obsidian Slide Boards the brand you can trust, 100% Guaranteed!