The Back on Track® Dog Coat is manufactured with the revolutionary Welltexceramic infused polypropylene fabric, with an additional water-resistant and breathable, polyester outer layer. The garment boasts reflectors on either side for added visibility, an adjustable opening around the withers, an opening at the neck to attach a lead easily and rear elastic leg ties and a pull tie for the tail for added comfort and a secure fit. Comes in a range of sizes (Extra Small, Small, Medium, Large and Extra Large). Length: Measure back from withers to root of tail. Size: Measure back from withers to root of tail.