Dogline Multi-Purpose Mesh Dog Vest with P.T.S.D. Removable Patches. The vest is made of a lightweight, yet strong mesh that breathes to keep your pet comfortable. In fact, it is one of the lightest service animal vests on the market and is ideal for warmer climates! This vest offers a reflective stripe on both sides along with the ability to affix 2 side patches. The vest features adjustable straps and a stainless steel D-ring for leashes and Id tags. This vest is also easy to put on and take off with help of a quick release buckle. Please measure your dog's girth behind front legs at the widest point before ordering. Please see sizing picture for further instruction. Quality & Practicality Meet Made of high quality materials, breathable mesh and durable nylon. Our P.T.S.D. vest is ready for some heavy duty use. This vest has loop backing sewn on both sides to make changing patches on both sides a breeze. Eye-catching reflective lettering material enhances safety of you and your dog in low light conditions and inclement weather. You Have Options: Available in 11 Colors & 4 Sizes Dogline MaxAire Vest is available in a rainbow of colors: Pink, Blue, Black, Turquoise or Teal, Red, Orange, Lime Green, Urban Camo, Green Camo, Pink Camo, Purple. Each color is also available in 4 different sizes. Removable P.T.S.D. Patches Our removable patches make the Dogline MaxAire Dog Vest the ultimate P.T.S.D. vest. Hook-and-loop fastener holds the P.T.S.D. patch firmly in place. Adjust the Size to Your Pet’s Needs Our Dogline MaxAire vest harness vest is fully adjustable so as to ensure a comfy yet snug fit. You can forget about harnesses coming loose or seams and stitching falling apart with the quality materials used and innovative quick release belly buckle facilitating its use to the fullest.