Streamline, ergonomic fit – Aside from offering more buoyancy, also tapers to the dog much more effectivelyExtremely buoyant – Floatation is distributed much more evenly, with foam also passing under the dog’s bellyRevolutionary top pull collar adjustment – A fixed collar that still allows maximum adjustment and buoyancy to the dog’s neck and headNeoprene grab handle – A comfortable handle that doubles as a keeper for the neck adjustmentDurable 1680 denier nylon – Extremely tough and easy to clean, a hose or soak in fresh water removes all saltReflective piping for high visibility – Excellent for nightime safety, especially on boatsSafety Light attachment pointNew Style D-ring – Extremely durable.