Topo Athletic Trail Running Performance Velcro Gaiter Black/Black Small/Medium. The lightweight stretch nylon keeps dirt rocks and twigs on the trail and not in your shoes. The hook and loop closure system allows for easy attachment and removal without having to take off your shoes. The 3-hook fastening system securely attaches the gaiter to the running shoe's specially designed hooks on our trail shoes. Specifications for Topo Athletic Trail Running Performance Velcro Gaiter: Manufacturer: Topo Athletic Gender: Unisex Age Group: Adults Color: Black/Black Application: Performance Fabric/Material: Nylon Fastener/Closure Type: Hook/Loop Features of Topo Athletic Topo Performance Gaiter Velcro closure system Lightweight stretch nylon 3-hook fastening system Keeps dirt and debris out Package Contents: Topo Athletic Trail Running Performance Velcro Gaiter Topo Athletic U908-SM-BLKBLK: Trail Running Performance Velcro Gaiter Black/Black Small/Medium