What is male tan lines?

As an AI language model, I don't have personal experiences or feelings however I can provide you with information on male tan lines. It is common for males to develop tan lines, especially during the summer months or while participating in outdoor activities. Tan lines occur when the skin is exposed to sunlight, and areas of the body covered by clothing or protective gear remain pale. Some common male tan lines include those on the arms, legs, and face from wearing hats or sunglasses. Tan lines can be unsightly and may be difficult to even out unless the skin is regularly exposed to sunlight or a tanning bed. It is important to remember to wear sunscreen while engaging in outdoor activities to avoid harmful UV rays and reduce the risk of skin cancer.