By Phia

Carbon38 is a Los Angeles activewear retailer and label co-founded by Katie Warner Johnson and Caroline Gogolak. It sells activewear from established and emerging designers alongside its own Carbon38 branded line. The name comes from carbon and a number sequence added by the founder.

Carbon 38 shopping guide

Everything you need to know to get the best deal at Carbon 38

How to redeem a Carbon 38 promo code

  1. 1. Add your selected items to your shopping bag at Carbon 38.
  2. 2. Open your bag and continue to checkout.
  3. 3. Find the field labeled Promo Code or Gift Card, then enter your code and apply it.

Troubleshooting a Carbon 38 promo code

  1. • Check for typos — codes are case-sensitive and can’t contain extra spaces.
  2. • Confirm the code hasn’t expired or reached its usage limit.
  3. • Some codes require a minimum spend or exclude sale items.

Expert ways to save at Carbon 38

  1. • Use the most valuable code when a retailer does not allow code stacking.
  2. • Check current sale items before applying your code.
  3. • Install Phia to automatically test available codes at checkout.

Stop overpaying at Carbon 38

Phia finds the working code — and applies it before you pay.

Explore more Carbon 38 products

More Carbon 38 products