The brand seems to manufacture urban-style clothing made for urban sportists such as cyclists and skateboarders. It also seems to have "gangstas" as one of its targets because it has such theme on the advertisements and uses rappers on them as well.
Therefore, Base 5 hoodies are available from Sub Urban for $105. Several billboards for the company are found around the state, and Hotring Racers have Base 5 sponsor stickers on the sides. One of the posters has a grotesque caricature depiction of a thug who bears a striking resemblance to the late rapper Tupac Shakur. Another has a bull terrier dog next to him that resembles Chico from Next Friday. Several posters of the brand are found in Ryder's house.
A particular young pedestrian that can be spotted either walking casually or riding BMXs in GTA San Andreas wears a gray Base 5 t-shirt. He dons a black baseball cap with the "5" logo on it, indicating that Base 5 also produces hats.