The Touchdog ® 'Ciesta-Luxe' Full Body Thermal Dog Pajamas Jumpsuit is composed of soft cotton and polyester blended shell. Comfortably covers all 4 sleeves with accented buttoned and embroidered detailed trims along the back and all around. Features ribbed stitching surrounding the neck area with a leash slit along the back side. Machine washable. 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 22-24" - EXTRA LARGE