Jack along with Hurley and Kate were integrated through posing as new recruits to the DHARMA Initiative as a workman through help from Sawyer and Juliet. Having been introduced to the Initiative, Jack settled into his new home and, that night, went to find Jim LaFleur's house. Jack had a conversation with Sawyer in which he acknowledged that Sawyer was in charge now.
Tan 100% Cotton Gildan T-Shirt
The t-shirt being modeled is an Adult Medium.