Just like they were for Returnal, Sony has gone and made Ratchet & Clank: Rift Apart costumes for Sackboy: A Big Adventure. You can grab them for Ratchet, Clank and Rivet off the PlayStation Store (or via by below links).
If you don’t own either game, Sackboy: A Big Adventure is currently available for $68 whilst Ratchet & Clank: Rift Apart is available for $98.