Have been faithfully wearing my 2021 Rod Laver's (H02191) for years and ordered these as a replacement and I am SO DISAPPOINTED! These are NOTHING like my previous pair. The sole and outsole is hard as a rock, the padding in the heal is non-existent. It's super stiff, very heavy and clunky. What is this and why was it changed??? This is the G99863 so if you're looking to replace an older pair with polyurethane soles, you're not going to like this shoe one bit. Please bring the old model back. Wish I could get my money back for these. Boo!