Size is youth large. The jersey does say Alaska airlines on the back at the top.
Seattle Mariners SGA Retro Jersey SGA Size Youth Large 7/24/21 Pilots
Seattle Mariners SGA Alaska Airlines Retro Jersey Size XL 7/24/21
Seattle Mariners MLB BASEBALL SUPER VINTAGE True Fan Size XL
Seattle Mariners MLB Fan Shop
Official Vintage Mariners Clothing, Throwback Seattle Mariners
Seattle Mariners 2022 Retro Jersey SGA 8/6/22 Adult XL White
Official Vintage Mariners Clothing, Throwback Seattle Mariners
Sports Mem, Cards & Fan Shop, Fan Apparel & Souvenirs, Baseball-MLB | !
Seattle Mariners SGA Retro Jersey SGA Size XL 7/24/21 Pilots
Seattle Mariners 2022 Retro Jersey SGA Size Adult XL White