LittleTail Waterproof Outdoor Dog Wearable Non Slip Shoes Pet Rain Boots Blue Reflective velcro design, you can adjust the size; color stitching may be better to human visual sensor The non-slip soles waterproof leather material allows dog free safety activities Ankle using elastic rib fabrics, better wrap dog leg Instep uses waterproof oxford fabric Size: XS-width 1.57 ins length 1.96 ins; S-width 1.96 ins length 2.36 ins, M-width 2.36 ins length 2.75 ins, L-width 2.75 ins length 3.15 ins, XL-width 3.15 ins length 3.54 ins