Reference: Adidas OWN THE RUN LEGGINGS

Block: Injoo Men Four-way stretch legging. I omit vertical reduction in the instruction for easier fitting. Else, I have to manipulate fabric stretch, skin friction etc.
Fabric: Any very stretchy fabric will do. I use knit cotton rayon.
Detailing: Style line, graphic, reflective strip, topstitching, ankle zipper.
Comment:
- Merging the sideseam (converting two-piece to one-piece) is optional but necessary if you want stylelines that cross the side. If you want to start directly with one-piece block, you can follow Aldrich one-piece legging block.