Three models in sweatshirts with Underdog embellished on the front

MADE IN PHILADELPHIA

Our Underdog x Boathouse Sports crewnecks are the perfect winter wardrobe staple for any underdog in your family. Designed & produced right here in Philadelphia, PA!

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SHOP NEW ARRIVALS

Perfect for tailgating or cruising the farmer's market - check out our latest collection of vintage-inspired Underdog "script" hats & sweatshirts.

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BROWSE COLLECTIONS

Jason Kelce standing on a golf course holding a black-and-white checkered flag, with a background of lush greenery and trees on a clear day.

UNDERDOG GOLF

Modern American classics from iconic American brands. Shop now for vintage-inspired golf shirts, t-shirts, hand-crafted headcovers, ball markers & golf bags.
Man wearing blue hat with black and white dog embroidered

UNDERDOG CLASSICS

Hungry dogs run faster! The iconic, original, classic "hungry dog" - available on dad hats, snapbacks & crewnecks. All designed right here in Philadelphia, PA.

PRODUCTS WITH PURPOSE

100% of all profits from Underdog benefit the Be Philly Foundation.

Learn how we help Philly students →

MAKE AN IMPACT

Underdog directly funds programs that improve the educational and economic outcomes of our city’s youth. We believe every person deserves the opportunity to fulfill their potential.

"WORKSHOP OF THE WORLD"

As best we can - all products are designed locally, sourced & produced domestically. We pride ourselves on investing in the community of Philadelphia & caring for the people we serve.