$13 Traction Control Socks (Set of 4) - Easy to wear, nonslip socks help dogs with mobility issues get a firm foothold indoors while protecting hardwood floors. Also aids in wound protection. PROTECT FEET FROM LICKING / CHEWING DUE TO ALLERGIES? Soft nylon/poly with gripper bottoms. Machine wash. Socks should fit snugly to provide the best traction. If unsure of size, choose the smaller. Sizes (Paw Width): XS (1 3/4"), S (2"), M (2 1/4"), L (2 1/2"), XL (3 1/2").