Sprawl shorts

Follow the instructions on the tag. If you want to shrink them I would dry them for just afew minuets. Wash with cold water and dont dry in the dryer.
I just wash mine on a silks wash same as I do with my Gis
Wow, you wash your gi on silks? Interesting. I just do mine on permanent press.
I just pick gentle cycle with less soap than a normal load and air dry only in the dryer (no heat).