Get in Touch

Contact

We're a small team and we personally read every message. We respond within 1–2 business days.

General Inquiries

Questions about the brand, products, sizing, Founder Access, press, or anything else — start here.

Order Support

Include your order number in the subject line and we'll prioritize your message.

Instagram

Follow for behind-the-scenes, drop announcements, and game-day content.

Based In

Denver, Colorado

Est. 2026. Made for the moments between the games.

Limited to 50 Founders

Become a Founder

Join the first 50 people to own SIDELINE. Get 24-hour early access to Drop 01 and every future drop.