All-Weather Muttluks (set of 4 boots) The All Weather Muttluks feature a breathable, waterproof exterior fabric and are suited for hot or cold weather conditions. The All Weather Muttluks are perfect for hot sand, hot pavement, hiking, rain or snow. They feature self-tightening 3M reflective Velcro straps, treated leather soles and cuffs which come up the leg. Eight sizes to fit any size dog.