Underdog Philadelphia

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Philadelphia, PA
Underdog Philadelphia

For underdogs. By underdogs. Proceeds support the (Be)Philly Foundation
Founded by Jason Kelce

10/01/2026

Sound off in the comments. Go phillies

09/26/2026

Some answers might not have been completely correct, but we had to root for the underdogs anyway.

Thanks to Mt. Joy for collabing with us for 10th Anniversary Philly show this weekend. Tees and pennants still available for preorder at link in bio and ends Tuesday!

09/23/2026

Hold the dots & slide to see the design of our Graphic Tee with Mt. Joy 🚐💚

Meet us at the tailgate pre-show on Friday at Freedom Mortgage Pavilion!

🎨: Paul Granese

09/21/2026

Available for presale online now or in person on Friday, September 25th, shop Underdog’s collaboration with Mt. Joy 🌉

We created this tee to celebrate 10 years of Mt. Joy and their Philly show on Friday. We’ll be representing with some local brands and friends with a tailgate before the show.

Tailgate is free to attend, starting at 4:30pm, supporting our friends at Be Philly Foundation , Sharing Excess and Make The World Better FDN Inc 💚

09/20/2026

Game Day Essentials 🏈

And maybe even a preview of our newest drop coming next week 👀

09/17/2026

Dropping next week 👀

Comment below who you think our next collab is with…

09/06/2026

Meet the Underdog team behind our product and lifestyle shoots. Teamwork makes the dream work!

08/30/2026

Underdog was founded by Jason Kelce in 2022 to celebrate the underdog—the small business owner, the rookie, the single mom. Underdogs come in all types, and we want to meet them. 💚

Comment below or click the link in bio to nominate an underdog and they’ll be considered to be featured on our IG & receive an Underdog merch box!

08/23/2026

Ever wonder what the pocket of our tees could be used for? Here are some suggestions for day to night.

07/15/2026

Our summer classic, available in 4 colors.

Stock up now.

Address

Philadelphia, PA

Website

http://underdogphl.com/

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