Ruffwear Bark&';n Boot(TM) Liners are socks for dogs that will enhance the fit, performance, and comfort of dog boots. The engineered knit and articulated shape match your pup&';s paw anatomy and minimize bulk, making putting boots on your dog a cinch. With moisture-wicking material and a tapered cuff, Bark&';n Boot(TM) Liners dry quickly, provide comfort, and stay in place, even if your dog has a dew claw. Not sure what size to get? We recommend choosing the size that matches the boot size of your dog&';s front paws. What&';s new: Engineered knit for improved fit and comfort and new fun colors! ARTICULATED SHAPE Engineered knit and articulated shape matches dog paw anatomy and minimizes bulk. EASY ON/OFF Makes putting dog boots on easier and more comfortable. TAPERED CUFF Tapered cuff keeps the sock in place on the dog&';s paws. Additional Features Engineered knit and articulated shape matches dog paw anatomy and minimizes bulk Makes putting dog boots on easier and more comfortable Material wicks moisture, dries quickly, and provides comfort Tapered cuff keeps the sock in place on the dog&';s paws Comes in a set of four Materials Knit composition: 40% recycled polyester, 6% polyester, 28% nylon, 6% lycra Made in Taiwan