The Chinook breed is characterized by a life expectancy of 12-15 years. Males typically weigh 29-41 kg and stand 55-68 cm tall, while females weigh 25-36 kg and are 53-63 cm tall. They are highly tolerant of cold but sensitive to high heat, possessing a high energy level. Their coat is double and thick, with a soft undercoat and a protective upper coat, ranging in color from golden brown to sand. Hereditary diseases include hip dysplasia, night blindness (genetic eye problems), and a tendency toward gastric torsion (GDV).