Non-stop dogwear Paw Protectors Dog Booties for Sledding, Long Distance Sock for Mushing, Hiking, Injuries, First Aid, Clean Paws, Clean Carpet & More Sold in 4 packs! The Non-stop dogwear bootie is made with lightweight cordura 330 fabric, and is optimal for use during winter and good sock for active use. These exact booties are the choice of World Champion mushers including Dallas Seavey (2017 Iditarod), and Robert Sorlie during training and it the Iditarod and Finnmarkslopet. Which dogs need booties? Sled dogs, search and rescue dogs and household dogs. Use booties to protect your dogs paws whether on snow, ice, salted surfaces, gravel roads, harsh surfaces and in extreme coldness. Both sled dogs and household dogs need booties to protect their sensitive paw pads. There is room for your dog's paws to expand. The cordura 330 is soft and gentle on your dog's paw. Washable and reusable for best value. Also available in 100 Professional Packs. Elastic in the velcro was chosen for optimum grip and is being used by Iditarod mushers in the harshest conditions..