I would use a pant pattern as a base and cut out the sections he has cut out g and using the (buckle?) he has in the front to act as the waistband, you could also tack it to the pants you're using under the chaps
Anime USA 2016...Halloween!
Yuki Yuna- Yuki Yuna is a Hero
Card Captor Sakura White and Yellow Dress
Yuri Kuma Arashi- Kureha Bear Form
Yuri Kuma Arashi- Kureha OR Lulu School Outfit
Sailor Jupiter- Renareve
Sailor Jupiter- Chiliferrets
Awesome Con 2017
Deadpool/X-men Comics- Siryn...not sure which version yet...
DC Comics- Raven Either Teen Titans or Original Comics version....