Denver Running Apparel and 303 Shirts

The Denver collection opens with the 303 area-code tee - a heavyweight oversized graphic tee with the Front Range peaks drawn through the numerals. Each City Series design is a limited run of 100 pieces; skyline tees and five-panel hats join as the Denver chapter grows.

Denver joins the City Series with the 303 area-code tee: the Front Range peaks drawn through the 303 numerals in white line art, RUN YOUR CITY beneath, printed heavy on an oversized black tee. 303 is Denver's original area code, repped from LoDo to the foothills.

This is gear for Wash Park loops, Cherry Creek miles, and altitude that makes sea-level PRs feel easy. Like every City Series design it is a limited run of 100 pieces - when the 303 sells through, it is retired. Skyline tees and five-panel hats join as the Denver chapter grows.

Looking for people to run with in Denver? Ninja Run Club maintains a human-verified Denver run club directory with meet days, paces and neighborhoods - find your crew, then dress like it.

Find Denver run clubs in the NRC directory

Denver 303 Drop 02 black oversized running t-shirt with giant sunshine yellow numerals, the Front Range and a stacked 5280 and house-green accents

Denver 303 Drop 02 T-Shirt

$42.00 USD · Waitlist

Giant 303 in Sunshine Yellow with the Front Range and a stacked 5280. House-green hairline. Limited Run - Drop 02.

Frequently asked questions

What does 303 mean on Denver shirts?

303 is Denver's original area code, repped from LoDo to the foothills.

What is drawn in the 303 numerals?

The Front Range peaks, in the same white line-art style as the rest of the City Series. Run your city.

Will there be more Denver designs?

Yes - the 303 tee is the first Denver drop. Skyline tees and five-panel hats join the Denver collection as the community grows.