Finally, a winter coat with a built-in harness! Built-in harness systems. Pullover style coat. Zipper on mid back up to neck. Why We Love It: The 1Z is a 2 in 1 hi-tech coat designed like a great ski jacket. The 1Z Coat is secure, warm, waterproof, windproof and washable. The 1Z Coat combines innovative new textiles with our exclusive built-in harness systems for an easy to put on, secure and comfortable fit. No more stressing out while putting a bulky harness under or over a dog coat. Just attach your leash and you’re ready to go.