303 Running

Mile High Miles, State Pride Style.

Lace up and rep the 303 with a tee that runs as hard as you do.

This laid-back shirt blends local love with runner vibes — featuring the iconic Colorado "C" repping that middle zero like it was born to. Whether you're crushing PRs, cruising trails, or just grabbing coffee post-run, this tee says one thing loud and proud: you run this state.

• Heather colors are 52% combed and ring-spun cotton, 48% polyester
• Athletic and Black Heather are 90% combed and ring-spun cotton, 10% polyester
• Fabric weight: 4.2 oz/yd² (142 g/m²)
• Pre-shrunk fabric
• Side-seamed construction
• Shoulder-to-shoulder taping
• Tear-away label

Please note we are a small business and this product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!

Please ensure you select the correct size using the size chart below. We are unable to accept returns for incorrect sizes. See our return policy for more information.

Size guide