Trousers• They wear baggy trousers because it helps
them to move freely. They wear either plain (black, grey, blue or red) trousers and some have in addition a logo on them too.
• I found a website that sells parkour outfits. http://www.takeflightapparel.com/
T-shirts
• They wear simple T-shirts, similarly to the trousers, either plain or with a logo on top. Usually their T-shirt are high round neck.