The Russian Standard for the Siberian Cat

General: strong, massive, muscular, powerful animals from medium to large size. Females are generally smaller in size than males. Coat is medium long, dense, with well-defined guard hair.

 
Head: large, shaped as short broad trapezium, in good proportion to the body, with the slight flat plane on the top of the head. The profile is without stop with smooth dip from the short forehead to the broad straight nose. The nose is medium long. Cheekbones, whisker pads and chin form a smooth, rounded line. Chin is wide, rather strong, but not protruding. Neck is strong and short.

Ears: medium size, wide at the base, the distance between the ears exceeds the width of one ear at the base. The external ear line is vertical, the external end of the ear base is slightly above the eyelevel. The ears are slightly tilted forward, tips are rounded. Finishing the ears by tufts and brushes is preferred.

 
Eyes: medium size, rounded, set wide apart, with the outer corners tilted slightly upward. Color is green or yellow of various gradations, distributed evenly. The eyes of the cats оf pointed and white colors are bright blue. The cats of "van" and white colors may have oddly colored eyes.

 
Body: medium length, massive, with well-developed muscles, on the strong legs of medium length. Hind legs are slightly longer. Paws are large and round. Hair tufts between the toes are strongly desired.

 
Tail: medium length, thicker at the base, slightly tapering to the tip.

 
Coat: medium long. Guard hairs are solid, glossy. On the torso sides, the fur is softer, lightly-lying, and very dense. Undercoat is double, but its grade of expressiveness depends on the season. The decorative fur is long, dense, forms complete ruff and frill. The tail is excellently furnished with fur, the fur forms fluffy "britches" at the hind legs. During the fading season the decorative coat is usually scarce. "Agouti" and "tabby" colors have the most typical coat texture.

 
Colors: all colors are permitted with the exception of chocolate, lilac, Burmese, Abyssinian and their colorpoint varieties. "Colorpoint" and "colorpoint with white" Siberians are known as "Neva Masquerade". The expertise is done separately, as per colors.
Condition: cat is healthy, strong, well groomed.

 
Faults: straight profile; deviation toward the "Persian" type; long, narrow, light head and/or face; flat cheeks, weak cheek-bones and chin. Small, rounded, deeply set eyes; large or narrow set ears, straight or high set ears, "Persian" type ears (small, low-set, too trimmed with fur). Too short, too long, or too lightly built body; weak bones; small paws; no fur tufts between the toes. Slim long neck. Too short and/or sharp tail with a scarce fur trimming. Fur lacking undercoat, extremely tough or fluffy coat, dim on the back and croup.

 
Disqualify: clearly expressed signs of "Persian" type.
Outcrosses with other breeds are not allowed.