Blue Check Dog Harness. Make daily walks stylish with this vest harness! This harness is easy to step into and has Velcro and clip closure at the chest for easy take on/off. Blue checkered pattern gives this harness a nice and clean look! Sizing*:S: Neck: 9.3 in. | Chest: 12.2 in.M: Neck: 10.8 in. | Chest: 14.2 in.L: Neck: 12.2 in. | Chest: 16.5 in.XL: Neck: 13.8 in. | Chest: 19.5 in.*This is the sizing of the actual product.