Check the current game mode requirements for the shirtless reward
Complete the required quests, challenges, or seasonal objectives
Reach the needed rep, level, or progression milestone
Claim the reward from the appropriate menu, locker, or rewards screen
Equip the shirtless option in the appearance or clothing settings
If it is tied to an event or limited-time reward, complete it before it ends
If it is unavailable, check for game updates or patch notes for unlock changes