The shoes that Paramount Movie Sonic is wearing are Puma Dare sneakers! The shoes already exist, but are not available in red with the white stripe that Sonic has). : r/SonicTheMovie
Make the Pair of Puma Dare Sonic Shoes from the Movie | MoveOn
Puma Dare Lace Up Kids Girls Sneakers Shoes Casual Slip-on, Black Size 4.5C 191241186834 | eBay
Puma Dare AC Shoes Womens 7.5 Blue Athletic Sneakers | eBay
PUMA Dare Mesh Slip-on Sneakers in Black | Lyst
Puma Boys Dare 365837 01 Black Running Shoes Sneakers Size 6C | eBay