Doggie Design Auntic Bike Dawg Motorcycle Harness Jacket Guaranteed head turner and ready to hit road. Expertly Tailored, and Lined Jacket is made of Soft to--touch Faux Lear that feels like real thing. harness D-ring pull. The flaps on eir side of jacket All Season, All Wear Designer Harness Jacket Bold, Statement making Designer Dog Jacket Harness also does double duty as a safeguard for your pet against elements. Rain, water repellant. X-Small chest 10 -13 neck 7 -10 weight 3-6 Small chest 13 -16 neck 10 -13 weight 6-10 Medium chest 16 -19 neck 13 -16 weight 11-16 Large chest 19 -21 neck 16 -19 weight 16-33 X-Large chest 21 -26 neck 19 -23 weight 33-45 2X-Large chest 26 -31 neck 23 -26 weight 45-70 3X-Large chest 31 -36 neck 26 -31 weight 70-90