XS – Back Length : 28cm, Stomach Circum. : 30-50cm, up to 12kgs
S – Back Length : 35cm, Stomach Circum. : 42-66cm, up to 20kgs
M – Back Length : 45cm, Stomach Circum. : 45-72cm, up to 30kgs
L – Back Length : 55cm, Stomach Circum. : 50-80cm, up to 36kgs
XL – Back Length : 65cm, Stomach Circum. : 50-80cm, up to 45kgs
When selecting the correct size of life vest please refer to the carrying capacity (the weight of the dog) and not the back length. As dogs use their tails to steer in water, the life vest should not cover the base of the tail.