The British Shorthair is compact, well-balanced and powerful, showing good depth of body, a full broad chest, short to medium strong legs, rounded paws, tail thick at base with a rounded tip. The head is round with good width between the ears, round cheeks, firm chin, medium ears, large round and well-opened eyes, and a medium broad nose. The coat is short and very dense. Females are less massive in all respects with males having larger jowls. This breed is slow to mature.
www.cfainc.org/breeds/standards/british.html