These water and salt resistant leather bottom boots breathe naturally, repel water and retains character even after exposure to the elements. This high-quality boot features self-tightening 3M reflective straps, leather soles, new leather toe covers (on sizes M - XXL) and cuffs that come up the leg.They are sold in sets of four and come in 8 sizes ranging from Itty Bitty to XXL. How to Measure: Stand paw firmly on ground and measure heel of paw to edge of toenails (excluding fur). Note: A snug fit is best - boots that are fitted too large may slip off. SUGGESTED BREEDS MEASUREMENT: Itty Bitty-Chihuahua, Toy Poodle 1 1/2"; XX Small-Jack, Russel, Lhasa Apso, Pug 2 1/4"; X Small-Sheltie, Min. Schnauzer, Dachshund 2 3/4"; Small-Beagle, Border Collie, Wheaton 3 1/4"; Medium-Doberman, Lab, Retriever 3 3/4"; Large-German Shepperd, Borzois 4 1/4"; X Large-Akita, Old Eng. Sheepdog 4 3/4"; XX Large-Great Dane, Bouvier 5 1/2".