Boxmas

The Boxmas is a cross between the Boxer and the Mastiff. Because each hybrid inherits a unique combination of traits from both parents, we recommend thoroughly researching both breeds before choosing a Boxmas. Pay special attention to temperament, health issues, and care requirements, as your dog may express characteristics from either parent breed.

Boxer

Boxer

The Boxer is a medium to large-sized dog breed known for its athletic, muscular build and distinctive square-jawed appearance. Males typically stand 23 to 25 inches at the shoulder and weigh between 65 to 80 pounds, while females are slightly smaller at 21.5 to 23.5 inches and 50 to 65 pounds. The breed presents a striking profile with its well-developed musculature visible beneath a tight-fitting coat, conveying power and agility in equal measure. The body is square in proportion, meaning the length from the forechest to the rear of the upper thigh equals the height at the withers. The chest is deep, reaching to the elbows, with well-sprung ribs that are not barrel-shaped. The Boxer's head is its most distinctive feature, with a broad, blunt muzzle and characteristic undershot jaw where the lower jaw protrudes beyond the upper jaw, allowing the dog to grip prey while still breathing. The skull is slightly arched and the forehead shows a distinct indentation between the eyes. Their expression is one of alertness and intelligence, enhanced by dark brown eyes that convey curiosity and warmth. The ears are set high and naturally fold forward, though historically they were often cropped to stand erect in some countries. Deep wrinkles appear on the forehead when the dog is alert, adding to their expressive countenance and giving them an endearing quality. The Boxer's coat is short, shiny, and lies smooth and tight to the body, requiring minimal grooming beyond regular brushing to manage moderate shedding. Standard colors include fawn ranging from light tan to deep mahogany, and brindle featuring black stripes on a fawn background. White markings are common and may appear on the feet, chest, and face, though excessive white covering more than one-third of the body is not preferred in the show ring. Some Boxers are predominantly white, which can be associated with increased risk of deafness and sunburn. The breed has a naturally short tail that is carried high when alert, and their compact feet are well-arched with thick pads.

Key Characteristics

Temperament
Temperament Temperament Temperament Temperament Temperament Temperament Boxers thrive on human interaction and do not do well when left alone for extended periods. They are known for their sensitivity to their owner's moods and often act as intuitive companions during difficult times. The breed responds well to positive reinforcement training but can become bored with repetitive exercises, requiring creative and engaging training sessions. Their intelligence and eagerness to please make them excellent candidates for obedience, agility, and therapy work. Early socialization helps channel their energy appropriately and ensures they develop into well-rounded adult dogs.
Health Considerations
Health Considerations Health Considerations Health Considerations Health Considerations Health Considerations Health Considerations Boxers are brachycephalic, meaning they have a shortened skull and compressed upper respiratory tract. This conformation can lead to breathing difficulties, exercise intolerance, and difficulty regulating body temperature, making them particularly susceptible to overheating. Other common health issues include hip dysplasia, degenerative myelopathy affecting the spinal cord, hypothyroidism, and allergies. Eye conditions such as corneal ulcers are also prevalent due to the breed's prominent eyes. Bloat, or gastric dilatation-volvulus, is a life-threatening emergency that can affect deep-chested breeds like Boxers, requiring immediate veterinary intervention if suspected.
Learn More About The Boxer

Mastiff

Mastiff

The Mastiff, also known as the English Mastiff, is one of the largest and most imposing dog breeds in existence, projecting an image of grandeur and dignified power. Males stand a minimum of 30 inches at the shoulder and typically weigh between 160 to 230 pounds, while females are slightly smaller at a minimum of 27.5 inches and 120 to 170 pounds. The breed's massive frame is characterized by heavy bone structure, substantial musculature, and an overall appearance of symmetrical power. Despite their enormous size, well-bred Mastiffs should appear balanced and proportionate rather than simply bulky. The breed moves with surprising agility for its size, with a powerful and effortless gait. The Mastiff's head is a defining characteristic of the breed, appearing massive and square from any angle with pronounced breadth between the eyes. The forehead is flat with wrinkles that become more prominent when the dog is alert or attentive, adding to their thoughtful expression. The muzzle is short, broad, and deep, roughly half the length of the skull, creating the breed's characteristic expression of nobility and gentle intelligence. The eyes are medium-sized and set wide apart, dark brown in color, giving a kind and alert expression. The ears are small and V-shaped, set high and wide apart at the corners of the head, hanging close to the cheeks and adding to the head's squared appearance. The Mastiff's coat is short, straight, and close-lying to the body, providing a smooth appearance that showcases their muscular physique without requiring extensive grooming. The coat comes in three standard colors: fawn, ranging from a light silver-fawn to a deep golden fawn; apricot, a warm reddish-brown shade; and brindle, featuring dark stripes over a fawn background. Regardless of body color, the muzzle, ears, and nose must be dark, creating the characteristic black mask that extends around the eyes and up to the ears. A small white patch on the chest is permissible but not preferred. The tail is set high, reaching to the hocks, and tapers to a point.

Key Characteristics

Temperament
Temperament Temperament Temperament Temperament Temperament Temperament Despite their relaxed nature, Mastiffs require early socialization and consistent training to ensure they develop into well-mannered adults. Their enormous size means that behaviors acceptable in a puppy can become problematic in an adult dog, so establishing boundaries early is essential. They respond best to positive reinforcement methods and gentle, patient handling. Mastiffs can be somewhat stubborn and may require persistent encouragement rather than harsh correction. The breed does not tolerate isolation well and thrives when included as part of daily family life rather than relegated to outdoor living.
Health Considerations
Health Considerations Health Considerations Health Considerations Health Considerations Health Considerations Health Considerations Other health issues prevalent in the breed include progressive retinal atrophy leading to vision loss, degenerative myelopathy affecting the spinal cord, and wobbler syndrome causing neck pain and coordination problems. The skin folds around the Mastiff's face can harbor moisture and bacteria, leading to skin infections if not kept clean and dry. Cystinuria, a serious urinary disorder causing stone formation, is more common in Mastiffs than most other breeds. Epilepsy can also occur and is particularly difficult to treat in this breed, with many affected dogs not surviving past three years of age. Regular veterinary care and health screening are essential for maintaining quality of life.
Learn More About The Mastiff

Important to Remember

Each hybrid dog is unique and may inherit any combination of traits from either parent breed. The information above represents the characteristics of the purebred parent breeds. Your Boxmas may favor one parent over the other or display a blend of both. We strongly encourage you to read the complete breed profiles for both the Boxer and Mastiff to fully understand the range of possible temperaments, health concerns, and care requirements.