This set really needs to be made from your 8 ply cotton stash. You may be able to swap yarn with a friend. The pattern does include booties which will take less than 50 gms. All the details can be found on the pattern download

Crochet Gelato Beanie with Twists and Booties in 8 ply cotton, sizes 0-3, 3-6, 6-12 months

Video Tutorials are available on the various stitches used in the pattern. These stitches can only be viewed on the ravelry site prior to printing the pattern. Just click on the various stitches to view.