It is an on-field jersey. This is the special jersey the MLB players wore the weekend of the Little League World Series to promote youth baseball. It
Authentic San Diego Padres Players Weekend Little League World Series Jersey 44
Custom Jerseys for ESPN's MLB Little League Classic on SNB - ESPN Front Row
San Diego Padres outfitting Little Leaguers in authentic uniforms - ESPN
Padres Community, Play, Baseball & Softball Camps
San Diego Padres - Wikipedia
Ranking MLB's City Connect uniforms - ESPN
Padres 20/20 vision: A corrected stigma-tism
Uni Watch 2016 MLB season preview - Uniform changes, alternates, patches and more - ESPN
Valley News - Commentary: Padres Try to Turn Blue Eyes Brown
MLB unveils youthful, colorful uniforms as part of Players Weekend
Padres uniforms: San Diego returns to brown jerseys in 2020 - Sports Illustrated
California's rally, Taiwan's perfect game highlight Little League World Series - The San Diego Union-Tribune