This Propet Saria boot offers all-round protection for your foot. Theres a synthetic velour upper with inside zipper closure for convenience. The low-profile rugged outsole made from thermal rubber has dependable traction on various kinds of surfaces. Added support comes from the internal heel counter of the boot. There is a fiberglass shank which offers stability and comfort. The removable insole provides cushioning and offers space for other orthotics.