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 Breathability. 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 Protectant against the suns harmful rays and fitted perfectly to help assist in containment of shedded hairs.