The Pet Life ACTIVE 'Aero-Pawlse' Heathered Tank Top is an entire system comprised of Ultra-Lightweight, Breathable and well Ventilated specially engineered fabrics that fuse together to help enhance Mobility and Breath-ability. Features 4-Way Stretch Construction that moves better in every direction with a customized fit that's further than next to skin or Fur without the squeeze and won't bunch up. The top layer features a specially formulated stretchy Ultra-Elastic and Breathable Micro-fiber and the bottom portion features specially formulated perforated and breathable panels that offer strategic ventilation. Both combined soft-touch flexible fabrics feature Quick-Drying properties that repel body moisture or sweat while offering Anti-Odor technology that assists with odor causing microbes. The Aero-Pawlse Tank is also UV Protect-ant 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 and Reflective-Taping for added night visibility. Machine Washable. This style is part of our Pet Life Active-wear 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: 9.63" Chest: 12.75" Neck: 9.5" SMALL: Back: 10.63" Chest: 15.75" Neck: 12.5" MEDIUM: Back: 14.63" Chest: 19.75" Neck: 14" LARGE: Back: 18.63" Chest: 24.75" Neck: 16.5" EXTRA LARGE: Back: 21.63" Chest: 29.75" Neck: 19.5" Listing and template services provided by inkFrog