OVERALL IMPRESSION:  Square, powerfully built yet agile and athletic for size, alert
Should give impression of nobility

HEAD
Large, flat across top, heavily muscled in males, square  

MUZZLE:
Medium in length, square jaws heavily muscled, slight protrusion of lower jaw permissable but 
not desireable

NOSE
Dark, 50% or less of light pigment acceptable

EARS
Medium in size, half‑perked with forward roll. Trimming not permissible.

EYES
Set well apart with hollow between Any color permissible "glass" or "marble" eye acceptable

NECK
Thick, medium in length

SHOULDERS
Of short length and heavily muscled 23-25" high in males, 20-23" high in females
Should give impression of power  

CHEST
Wide and deep

BACK
Straight ‑ not rigid or swayed, length equal to height of shoulders  

TAIL
Optimum length should reach hock Final third of tail to have gradual upward curvature
Docking absolutely not permissable

FORELEGS
Straight and extremely thick‑boned Balanced toward toes Feet well knuckled up with thick pad
(Dewclaws not removed)

REAR
With musculature comparably in proportion to forequarters Hips narrower than chest

COAT
Short to medium in length Fairly stiff to the touch Soft undercoat

COLOR
Preferred coloring: Blue/gray to black ‑ or ‑ tan to dark brown

Faults: 50% or more brindle - Any solid coloring - Total black "masking" of face With "Marbling
Trimmed in white

SIZE
Males:  22-25" at withers 90-110 lbs.
Females:  20-23" 65-75 lbs.