The K-9 Float Coat brings your four-legged friend further into the field with you by offering safe and protective play in whitewater, lakes and streams. The 1680-denier ballistic nylon provides amazing strength to weight ratio so when its time to haul your dog out of the water you wont tear the coat or feel the extra weight. The high luminescence reflective trim on the sides as well as the top of the coat offers more visibility in low light settings, and the vests dual color panels in cool hues contrast against neutral backgrounds making sure your pup stands out. The coat also features Rock Lockster side release buckles, hidden D-ring attachment point, a low profile assistance handle, variable thickness buoyancy cells, a generous ergonomic cut, and proven fit and functionality. The size coat youll need depends on your dogs length the measurement from base of neck to base of tail and girth measurement around widest part of rib cage.