The Pet Life ACTIVE 'Barko-Pawlo' Two-Toned Polo T-shirt features a Lightweight cutting-edge performance system that is specially engineered to provide plenty of stretch Mobility and Ventilation. Features rib-sided Elastic Micro-panel construction with strategic ventilation points that attacks at the source of perspiration while adding Breathability. Features 4-Way Stretch technology that moves better in every direction with a customized looser more fuller cut without the squeeze that won't bunch up. The main body features a specially formulated stretchy Ultra-elastic and breathable Smooth-to-the-touch Micro-fiber. Features Quick-Drying properties that dries really fast that repels body moisture or sweat while offering Anti-Odor technology that assists with odor causing microbes. The Barko-Pawlo Polo T-shirt is also UV Protectant against the suns harmful rays and fitted perfectly to help assist in containment of shedded hairs. Design features Dual Reinforced stitching at every seam for longevity with a Pull-Over design for easy on and off access with buttoned trims and a durable accented Rib-knitted fashion collar and sleeves, with Reflective taping for added night visibility. Machine Washable. This style is part of our Pet Life Activewear Collection. Available in Multiple Sizes and Colors. SIZING SPECIFICATIONS: In (Inches) "Back" Length is from Neck to Tail: * See image chart for sizing approximation. EXTRA SMALL: Back: 9.3" Chest: 15.3" Neck: 11.3" Sleeve: 5.9" SMALL: Back: 11.3" Chest: 18.3" Neck: 12.3" Sleeve: 6.3" MEDIUM: Back: 14.3" Chest: 22.3" Neck: 14.3" Sleeves: 6.6" LARGE: Back: 18.3" Chest: 27.3" Neck: 16.8" Sleeve: 7.3" EXTRA LARGE: Back: 21.3" Chest: 32.3" Neck: 19.3" Sleeve: 8.1"