Fully compatible with any of the Trespaws range of harnesses, this 2-in-1 Duke X Waterproof Dog Coat offers great protection for your best friend. Reflective trims enable enhanced visibility in low light conditions, with a removable AirTrap performance inner fleece extending the scope of usage. Waterproof to 3,000mm HH and windproof, your pet will feel the benefit of the Duke X when tackling the elements on your adventure.Please refer to the indicative size guide image:A: Back Length: (XXS - upto 30cm, XS - upto 35cm, S - upto 40cm, M - upto 45cm, L - upto 55cm, XL - upto 65cm)B: Torso Width: (XXS - upto 45cm, XS - upto 60cm, S - upto 70cm, M - upto 75cm, L - upto 90cm, XL - upto 105cm)C: Neck: (XXS - upto 30cm, XS - upto 35cm, S - upto 40cm, M - upto 45cm, L - upto 50cm, XL - upto 60cm)