These new EcoSmart ll(TM) soles provide felt-like grip, exceptional support and security, without the concern of unintentional transfer of aquatic invasive species. So suit up, tie these on, and know every footstep will be a good one. Perfect Match for Caddis Neoprene and Breathable Waders Cushioned Insoles for Comfort Reinforced Toe and Heel Speed Laces for Ease of on and off One Piece Sole Construction