Generous layers of Kevlar in the sole and front panel. Reflective foil and insulating foam in base deflects heat from hot surfaces Paw protection from slashing with glass, sharp rocks, cactus, hot pavement and debris. Easy to put on, with unique split side seams Foam pads on the inside of the boot, placed above the carpal pad, lock the boot in place and cushions the paw during rapid activity Two easy-to-adjust closures. Check boots periodically and retighten if necessary. Water resistant 1000 denier ballistic nylon with the toe and sole covered in a skid resistant material Sole made of recycled tire material. Packaged in a reusable mesh bag To extend the life of your dog boots we recommend applying Shoe Goo to patch small holes in the sole that can appear with wear. See Product SG. CARE INSTRUCTIONS: Loosely fasten Velcro closure, wash in cold water delicate cycle; hang to air dry.