adidas - Athletic Fit Microfiber Long Boxer Brief Underwear 3-Pack. Color Black/Onix Grey/Black. On sale for $20.41. MSRP $36.00.. Add to favorites. 0 people have favorited this+2 colors/patternsBrand NameadidasProduct NameAthletic Fit Microfiber Long Boxer Brief Underwear 3-PackGenderMen'sColorBlack/Onix Grey/BlackPrice$20.41MSRP: $36.00Rating