Frequently Asked Questions
Everything you need to know about shopping with SIENNA.
How long does shipping take?
Standard shipping typically takes 3-5 business days within the continental US, while international orders may take 7-14 business days depending on the destination.
What is your return policy?
We offer a 30-day return window for all unworn items with original tags attached. Returns are processed within 5 business days of receiving the item at our warehouse.
How do I find the right size?
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 fit.
What payment methods do you accept?
SIENNA accepts all major credit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, and Buy Now, Pay Later options via Klarna and Afterpay.
Are your materials sustainably sourced?
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 change or cancel my order?
Orders can be modified or cancelled within 60 minutes of placement. After this window, our warehouse begins processing and we are unable to make changes.