This is the "Bring on the Rings" zip front jacket from the Sega Shop in winter 2019.
It's a black sporty style jacket with white stripes on the long sleeves, zip front, and all white ink design. However, it is rather costly at 71 dollars...why is it so expensive?
On the back, the slogan appears in a large circular shape with 19 and 91 spread between it. The center has white line art for Sonic, Tails & Knuckles with (of course) some rings and action lines.

The front has the slogan again, along with some rings and the year, but it's small and only on one side of the upper chest. It's a fun enough style, and the stark white lines with the lesser-used modern character art is nice....but why 71 dollars when it's clearly a regular jacket with this silkscreened on. Only the SegaShop may know.