Regardless of whether or not the player has already been on the court or started on the bench, many NBA basketball players will wear a long-sleeve shirt or a hoodie while sitting on the bench. Including but not limited to players like James Harden, LeBron James, and Kyrie Irving - usually wear some sort of long-sleeve shirt while on the bench. At first glance, shouldn't returning players' top priority on the bench to 'cool-down', regain energy...
Originally asked by Jett on Stack Exchange (sports) (CC BY-SA 4.0).