San Diego Chargers #17 Philip Rivers Alternate Jersey. Walking around wearing San Diego Chargers nfl jersey. lets everyone know you're a hardcore Chargers fan. This jersey is made of durable, quick-drying polyester diamond back mesh and showcases the screen-printed team name and player's number on the chest. The v-neck jersey is decorated in the team colors and designed with the player's name screen-printed on a sewn-down nameplate at the upper back, and his number screen-printed at the center of the back.