Waterproof natural rubber, 4mm Neoprene lining, removable insole, full-height expansion gusset for quick fitting with adjustment strap, exclusive non-slip sole Percussion with deep and wide studs designed to enhance grip when walking and to facilitate dirt evacuation. Anti-twist steel reinforcement, exclusive SPS® (Shock Prevent System) cushioning made up of an air cushion in the sole and a shock-absorbing heel in the removable insole, ergonomic shape.
