The Ancol 2-in-1 Harness coat has been designed with provision to use with assorted harnesses, therefore you can keep control over your dog whilst on walks. Great value and practical, it has a heavy waterproof nylon top coat for protection from the elements, and a removable polar fleece inner for extra insulation on those chilly winter days. Finished with a Velcro strap ensuring that the coat fits correctly on your dog, and reflective edging for added safety. Size guide:Small – 26 – 36cm /10 -14” (Jack Russell, Pekingese, Border Terrier). Read more…Medium – 36 – 46cm/ 14-18” (Cavalier King Charles, Fox Terrier. West Highland). Large – 46 – 56cm/ 18-22” (Beagle, Springer Spaniel). Extra Large - 46 - 60cm/ 22-25" (Weimaraner, Poodle)Extra Extra Large - 60 - 70cm/ 25-28" (German Shepherd, Labrador)How to measure your dog:It is strongly recommended that every dog is measured before a coat is purchased. Just measure between the neck and the base of the tail of your dog. Please Note** Should you need to return this item, please ensure that it is in the condition it arrived complete with tags and original packaging to be eligible for a full and immediate refund/exchange.