Frequently Asked Questions

Your guide to effortless style and seamless shopping.

How long does shipping take?

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

What is your return policy?

We offer a 30-day return window for all unworn items with original tags attached. Simply visit our returns portal to generate a prepaid shipping label.

How do I find my correct 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 through Klarna and Afterpay.

Are your materials sustainably sourced?

Sustainability is at the heart of SIENNA. We prioritize organic cotton, recycled polyester, and ethical manufacturing processes to ensure our fashion is as kind to the planet as it is to your wardrobe.

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

To ensure fast delivery, we process orders quickly. You can modify or cancel your order within 60 minutes of placement by contacting our customer support team.