Body: The body is of medium size and of medium length. It is muscular and feels more solid and heavier than suggests by its appearance. The chest is broad, firm and rounded in profile. The legs are long and slender, the paws are dainty and oval. The tail is long. It continues from a fine base to a slightly rounded tip.
Head: The head is short and broad. The contours are angular and prominent. The prominent cheek bones are placed wide apart. The profile is clearly curved. The muzzle is well defined.
The chin and lower jaw are firm.
Ears: The ears are very large and very low set. They are broad at the base with slightly rounded tips.
Eyes: The eyes are large, oval and set wide apart.
The eye colour shall be even and corresponds with the coat colour.
Coat: The coat is very short, fine, soft and wavy due to lack of guard hairs.
The whiskers and eye brows are crinkled.
Colors: All colours and patterns are recognized. Any amount of white is permitted. The description of colours is listed in the general list of colours.
Faults: Bare patches are a severe fault.

Point score according devon rex standard WCF:
Body (30 points)
Head (35 points)
Coat texture, coat colour (30 points)
Condition (5 points)

Sours of devon rex breed standard WCF: official website of feline system World Cat Federation (WCF)