imho one of the best threads on reddit for ages, if you have an interest in either the how or why or any other question, ask away.
https://www.reddit.com/r/hockeyplayers/comments/lcim5n/interest_in_an_ama_with_a_former_zamboni_driver/
Interesting... they look almost identical to the 2S Pros that came before them.
I don't mind that at all, though. My 2S Pros are easily the best pair of gloves I've ever owned. No need to fix what isn't broken.