RUFFWEAR Bark 'n Boots Grip Trex Non-marking Vibram outsole with a new, multi-directional, flexible lug design gives your dog tactile control on terra firma An adjustable closure strap ensures a customized fit A one-piece mud guard enhances the fit and long-term durability of the boot 3M reflective details provide low-light visibility from multiple angles Tightly woven air mesh keeps dirt and debris out while providing superior ventilation