San Francisco 49ers #52 Patrick Willis Team Color Jersey. If you want to prove yourself is die-hard fan, you need to own favorite team jerseys. This Patrick Willis Team Color Jersey is for you. This jersey is made of durable, quick-drying nylon diamond back mesh and designed with the team name and player's number screen-printed on the chest. The jersey is designed with the sewn-on, single-layer tackle twill team graphics at the chest, back, sleeves and shoulders.