fall dresses
View allBundle & save
The more you keep, the more you save
Discounts apply automatically at checkout — no code needed.
colder days? no problem!
View allFirst fall steps in new shoes
View allBAGS collection
View allFree US shipping
Free standard shipping on every order across the United States. Orders ship within 1–2 business days and usually arrive within 7–12 business days.
30-day returns
Changed your mind? Request a return within 30 days of delivery. See our Refund Policy for the details.
Customer support
Real people, Monday to Saturday, 9:00 AM – 5:00 PM (CDT). Email hello@antoniasinclair.com and we reply within 48 hours.
Contact us
Frequently asked questions
Once your order ships, you'll receive an email with your tracking number and a link to follow your parcel. Orders ship within 1–2 business days and usually arrive within 7–12 business days (United States only).
You can request a return within 30 days of receiving your order. Items should be unworn and in their original condition with tags attached. Once your return arrives back with us, we'll refund your original payment method.
Each product page includes fit notes written by Antonia herself — whether a piece runs true to size, generous, or fitted. If you're ever between sizes, we're happy to advise; just write to us.
Email us any time at hello@antoniasinclair.com or use the contact form. We answer Monday to Saturday, 9:00 AM – 5:00 PM (CDT) and aim to reply within 48 hours.