Ruff Wear Grip Trex Red Currant dog boots raise the bar in paw wear for dogs who run jump sprint hike & share your passion for adventure. Ruffwear Grip Trex Boots protect injured paws & are an excellent rehabilitation aid even helping to speed up your dog’s recovery. Boots are sold 4 per box. Key Benefits: 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 customised fit A one-piece mud guard enhances the fit & long-term durability of the boot 3M reflective details provide low-light visibility from multiple angles Tightly woven air mesh keeps dirt & debris out while providing superior ventilation Knew-tec synthetic pigskin interior grip cuff helps keep boot on paw Size guide: - Width of dog’s paw (Inches) Extra Extra Small 2.0 Extra Small 2.25 Small 2.5 Medium 2.75 Large 3.0 Extra Large 3.25 The perfect fit is very important when selecting your dog boots. Grip Trex dog boots are available in a range of sizes to suit all dogs. Ruffwear boots are sized in inches which are measured on the width of your dogs paw. Please click here for to see how Ruffwear measure for boots