Geekria · Aftermarket replacement
Geekria QuickFit Replacement Ear Pads for Logitech G433, G233, G PRO (protein leather)
Verified as compatible with 1 headphone model.
Verified compatible headphones
Evidence
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shop.geekria.com
Geekria explicitly lists the G233 as compatible and describes the replacement pads as memory foam with protein-leather covering.