The Pet Life ® Active 'Pawsterity' 4-Way-Stretch Yoga Fitness Dog Tracksuit Hoodie is geared with Performance system that offers Year-Round protection that Cools and Warms the body by maintaining body temperature. Heavy enough in the winter and cool enough in the summer. Features both a Lightweight and Medium-weight Dual formulated state-of-the-art innovative Nano-stitched Yoga-like fabrics that when combined help maximize performance with a higher grade of Stretch. Lighter ventilation is strategically mapped in areas of need, while the entire body offers Breath-ability. When fused together these blended materials create a high-performance ecosystem of Mobility, Breath-ability, Permeability, and Stretch ability. Features 4-Way Stretch Construction that moves better in every direction with a looser and more fuller cut for comfort. Material Features Quick-Drying properties that dries really fast while offering Anti-Odor technology that assists with odor causing microbes. Offers UV Protection against the suns harmful rays and fitted to help assist in containment or collection of shedded hairs. Great for Fitness and Dog Yoga Activities. Design features Dual Reinforced stitching at every seam for durability with a stretchy band throughout the body that expands for added growth room. Design features a leash-slit along the backside, a pull-over hood and a zipper underneath for convenient on and off access 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" Chest - 14.5" Neck - 12.3" Sleeve - 4.4" SMALL - Back - 11" Chest - 18" Neck - 13.8" Sleeve - 4.8 MEDIUM - Back - 13.8" Chest - 21" Neck - 15.3" Sleeves - 5.5" LARGE - Back - 17.8" Chest - 25.5" Neck - 17.5" Sleeve - 6.3" EXTRA LARGE - Back - 22.5" Chest - 31.5" Neck - 19.8" Sleeve - 7.4"