This is a Black Nike Vapor Twill San Francisco 49ers Jersey that has been hand signed by Jimmy Garoppolo. This one is size L.?AfAE'A+aEUR(tm)AfaEUR AC/a,!a,,C/AfAE'AC/a,!A!AfaEUR|A,A,This item has been certified authentic by Tri-Star and comes with each of their tamper-proof sticker and matching certificate of authenticity.