Frequently Asked Questions

Everything you need to know about your ONE shopping experience.

How long does shipping take?

We offer standard shipping which typically takes 3-5 business days, and express shipping which takes 1-2 business days within the continental US.

What is your return policy?

You can return any unworn, unwashed items with original tags attached within 30 days of purchase for a full refund or exchange.

How do I find my correct size?

Each product page features a detailed 'Size Guide' button with specific measurements. If you are between sizes, we generally recommend sizing up for a more comfortable fit.

What payment methods do you accept?

ONE accepts all major credit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, and interest-free installment options via Klarna and Afterpay.

Are your materials sustainably sourced?

Yes, we are committed to ethical fashion. 80% of our current collection is made from organic cotton, recycled polyester, or Tencel to minimize our environmental footprint.

Can I track my order in real-time?

Once your order ships, you will receive an email confirmation containing a tracking number and a link to monitor your package's journey to your doorstep.