1. Gray: Gray underwear is synonymous with elegance and is a favorite color of many boys. Armani's gray underwear has different materials and styles to choose from, such as modal and pure cotton, which is suitable for business occasions.

2. Brown: Brown underwear is a special color with strong masculinity and naturalness. Armani's brown underwear is made of high quality cotton, which is comfortable and breathable.

3. Navy blue: Navy blue underwear is a conservative color, but it also has a calm and mature atmosphere.

4. Purple: Purple underwear is a relatively individual color, but as long as it is properly matched, it can also show a sense of fashion. Armani's purple underwear is made of soft modal material, which is close-fitting and comfortable.