I think this cosplay of Momo from the official live stage play in Japan is a good interpretation of Momo's hero costume IRL by both being sufficiently accurate to the design but
Momo Hero Costume Redesigns (not mine) | Fandom
My Hero Academia: What's the Deal With Momo Yaoyorozu's Outfit?
despite everything, it's still you — so 'ive seen a lot of momo redesigns going around,...
Stove Draws Comics & Ghosts — Redesign for Momo's costume after I saw Hori's...
Amazon.com: PartyHop Scary Momo Mask Creepy Halloween Latex Cosplay Costume for Kids and Adult Multicolor : Clothing, Shoes & Jewelry
Idolish7 Re Vale Sunohara Momose Momo Cosplay Custom Made Costume Halloween Christmas Costume - Cosplay Costumes - AliExpress
give them better outfits — ohkoh: momo's hero costume has always bothered me...
Halloween Creepy MOMO Mask, Scary Challenge Games Evil Latex Mask With Long Hair, Halloween Costume Party Props