Frequently Asked Questions

Everything you need to know about your Happy Mammoth experience.

How long will it take for my order to arrive?

Standard shipping typically takes 3-5 business days within the continental US. International orders may take 7-14 business days depending on your location and local customs processing.

What is your return policy?

We offer a 30-day return window for all unworn and unwashed items with original tags attached. Simply visit our returns portal to start your domestic return or exchange.

How do I know which size to choose?

Each product page features a detailed size guide with specific measurements. If you are between sizes, we generally recommend sizing up for a more comfortable, relaxed fit.

Are your materials sustainably sourced?

Yes, Happy Mammoth is committed to ethical fashion. We use organic cotton, recycled polyester, and eco-friendly dyes to ensure our impact on the planet is as small as possible.

Can I change or cancel my order after it's placed?

Orders are processed quickly to ensure fast delivery. You have a 60-minute window after checkout to request a cancellation or address change by contacting our support team.

Do you offer international shipping?

We ship to over 50 countries worldwide. Shipping costs and estimated delivery times are calculated at checkout based on your specific destination.