The Touchdog Original Sherpa-Bark Designer Fashion-Forward Dog Coat is composed of a Suede-Fleece and Sherpa Outer shell and a Sherpa Interior that gently hugs the dogs body. This Jacket features adjustable buttoned straps by the wait and a nylon Adjustable buckle by the neck area for added security and comfort. Features a Fashion-Forward Trendy accented buttoned trims. Available in Multiple Colors and Sizes. Sizing Guide - From Back of Neck to Tail area ("In" Inches) 8" - EXTRA SMALL 10-12" - SMALL 14-16" - MEDIUM 18-20" - LARGE