Kathryn Riley/Getty Images Jason Kelce went all out cheering ... by Travis' appearance during "shirts and skins" pickup basketball games. "I had the big beard, I had the long hair, I had the ...

RELATED: As a tribute to fashion icon Jason Kelce, here's a ranking of his top 10 outfits Yes, the guy who made his look wearing T-shirts and flip-flops to games in the dead of winter is now ...

Brother Jason Kelce announced on Thursday that he’s revamping his under-the-radar apparel brand, Underdog, to include a collection of sweatshirts and T-shirts made entirely in the United States.