Waterproof Raincoat with Hood

Small (28cm) : Back Length: 26 - 30cm, Neck 23 - 26cm, Girth 36 - 43cm
Medium (33cm) : Back Length: 31 - 35cm, Neck 26 - 30cm, Girth 43 - 50cm
Large (38cm) : Back Length: 36 - 40cm, Neck 30 - 33cm, Girth 50 - 55cm
X Large (43cm) : Back Length: 41 - 45cm, Neck 33 - 36cm, Girth 55 - 61cm
XX Large (53cm) : Back Length: 47 - 56cm, Neck 38 - 44cm, Girth 76 - 82cm
XXX Large (63cm) : Back Length: 57 - 66cm, Neck 44 - 50cm, Girth 80 - 86cm
XXXX Large (73cm) : Back Length: 67 - 76cm, Neck 49 - 53cm, Girth 89 - 94cm
XXXXX Large (83cm) : Back Length: 77 - 86cm, Neck 51 - 56cm, Girth 92 - 97cm

MEASURING INSTRUCTIONS:
Back Length: Measure from the base of your dog's head where the collar sits to the base of the tail which is where the tail is attached.
Neck: Measure where your dog's collar sits.
Girth: Measure the widest part of your dog's chest which for most dogs can be found just behind their front legs.