Upper part 70D 3-layer waterproof, breathable nylon fabric. Lower part 1000D 3000 mm Cordura ultra-durable, waterproof nylon fabric.
15 mm thick Duraflex aluminum buckles, easy to pull.
Metal hooks on the underside to attach to the shoelace.
Double locks for front closure, loop on top and Velcro.
The straps have roller buckles for attaching professional TPU for a longer lifespan.