It is an on-field jersey. This is the special jersey the MLB players wore the weekend of the Little League World Series during Ohtanis rookie year
The Shohei Ohtani Experience - Better than Advertised
Shohei Ohtani Baseball Cards
Shohei Ohtani Apparel, Shohei Ohtani Jersey, Shirt
Angels star Shohei Ohtani pictured on cover of TIME magazine
A Timeline of Shohei Ohtani's Career - Ohtani Comes To America
Shohei Ohtani Baseball Cards
Shohei Ohtani Anaheim Angels Youth/Kids Official Player Baseball
Forget MVP: Ex-Yankees coach declares Angels' Shohei Ohtani the
Authentic Christian Yelich Milwaukee Brewers Blue Alternate 50th
Shohei Ohtani Gear, Shohei Ohtani Jerseys, Merchandise
Shohei Ohtani timeline: The rookie MLB season of the phenom from
A Timeline of Shohei Ohtani's Career - Ohtani Comes To America