It is best to describe from the top down.

• Race: White, black, Spanish, etc.
• Gender: Male, female
• Age: 18 to 20 years old, 30 to 40 years old, etc.
• Clothing: Type, color, hat, coat, shirt, pants, shoes, etc.
• Height: 5 foot 8 to 5 foot 10, etc.
• Weight: 140 to 150 pounds, etc.
• Hair: Color, style, length, beard, mustache, etc.
• Build: Fat, thin, large, petite, medium, etc.
• Other: Scars, tattoos, moles, etc.