Black Diamond Distance Gaiters Black Small. Features of Black Diamond Distance Gaiters Heel Hook design secures to back of shoe for streamlined fit and performance Optional underfoot Dynex cord is included Hook and loop closure with security snap locks for all-season use Low profile mid-height design to keep out dirt and debris Optimized for trail running shoes and use when paired with BD Distance Traction spikes Heel Hook Heel Hook glue and optional underfoot cord included. Package Contents: Black Diamond Distance Gaiters Black Diamond BD7015170002SML1: Distance Gaiters Black Small