Breathable and flexible material collection because comfort is the biggest factor people look for during undergarment shopping. Established in 1969, GAP is a clothing and accessories retailing company known for their global brand value. This clothing brand has its headquarters in San Francisco, California. Confused about what color Underwear to wear? The most selling Men Underwear are Black, Navy Blue, White, Gray, Sky Blue and Multicolor. We have GAP Underwear for Men available in the most common fabrics like Cotton, Polyester and Blend. Pick the right one for your needs.