VIVAGLORY Reflective Dog Life Vest Size Chart

Size	Ribcage Girth
XS	16–20 in
S	20–22 in
M	22–26 in
L	26–29 in
XL	29–34 in

How to Measure: Measure around the widest part of your dog's ribcage, just behind the front legs. Use the ribcage girth measurement to select the appropriate size. If your dog's measurement falls between sizes, choose the larger size.