First let's kill any misunderstanding - white is not a color in Boxers. The only color Boxers come in is red. Brindle Boxers are the ones that have stripes over the red background, but they are still essentially red with striping pattern. Boxers can have their whole bodies colored, with only minimum of white on the chest, and these are "solid" Boxers. Boxers can have white markings on their legs, muzzles, necks and bellies, and these are "flashy" Boxers. White Boxers are the ones whose white markings extend over the large area of the body, and that makes them simply "overmarked" rather than "miscolored". The Standard calls any overmarked or "white" Boxers to be discfalified in the conformation show ring. White Boxers are not albinos - albinism exhibits itself in a total lack of pigment in the skin cells. All white Boxers have some spots of pigment on their noses, eyelids and lips, and vast majority of them have patches of color most often found on their heads. Some white Boxers have brown eyes, some have blue, white a true albino eye would appear rather pink as the blood vessels of the eye would show through a totally unpigmented surface of iris.
There are only two genes in the Boxer breed that are responsible for the existence or lack of the white makings."S" gene is a "solid" gene. "Sw" gene is a "flashy" gene. A Boxer that has almost no white markings on his body is called "solid" or "plain" and has "SS" formula. A Boxer that has large areas of white markings on his otherwise colored body is called "flashy" and has "SSw" formula. A Boxer that appears to be white has "SwSw" formula.
Why do many Boxer breeders still get white puppies in their litters even though they do not use white Boxers for breeding purposes? The truth is that eliminating white Boxers from breeding population would not stop the appearance of white puppies! Why? Let's see!
