REVERSIBLE, REFLECTIVE, & ADJUSTABLE: Stylish reversible dog vest is perfect to keep your dog cozy during chilly fall months & cold winter months when out on walks, hikes, & runs; reflective piping for visibility in the dark; adjustable hook & loop belly closure for custom fitWATER RESISTANT & LIGHTWEIGHT: Just the right amount of coverage to keep your active dog warm without overheating; athletic fit for complete freedom of movement; water resistant, microtomic, ripstop material for durability & doesn’t make dog itchy like other jacketsWEAR WITH HARNESS: Leash access zipper opening on back allows complete access to dog’s harness so you can attach a leash & go; Easy on & off is perfect for walking, running, or hiking during colder months; Machine wash gentle, air drySIZE & FIT: Large fits dogs with 22" neck, 30-39" chest, & 22.25" back; Please measure dog around widest part of chest & lower neck; back coverage will vary; If dog is in between sizes, size up for more coverage