PETRA MIDI DRESS
PRE-ORDER INFORMATION
- You will receive your order confirmation email immediately.
- You will receive your shipping confirmation email and tracking number once your order has been dispatched.
DISPATCH DATE: 9TH OCTOBER 2026
The Petra Midi Dress is made from a soft, breathable Lyocell-linen blend with a cotton lining, featuring a ruched front bodice and sewn-in waist ties to create shape. Light and floaty with an A-line silhouette and midi length, itโs perfect for weddings, events, and the races.
Australia
Standard Shipping: $12.95
Express Shipping: $15.95
Complimentary Standard Shipping on orders over $350.
Estimated delivery: 3โ5 business days standard or 1โ2 business days express.
International
New Zealand: $20 AUD
Rest of World: $55 AUD
Duties and taxes are collected at checkout for most destinations. Additional charges may apply where they are not collected.
Full-priced items may be returned within 14 days of delivery.
Sale items may be returned within 7 days of delivery. Outlet items are final sale unless faulty.
Mirra Try at Home orders must be returned or exchanged within 3 days of delivery through the Mirra Dashboard.
Return shipping fees apply. Items must be unworn, in their original condition and have all tags attached.
Size guide SACHA DRAKE
Body Measurements
| AU / UK | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| BUST | 81 | 86 | 92 | 97 | 102 | 108 | 114 | 120 |
| WAIST | 63 | 68 | 74 | 79 | 84 | 90 | 96 | 102 |
| HIP | 90 | 96 | 102 | 107 | 112 | 118 | 124 | 130 |
Size conversion
| AU/UK | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| US | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
Fit Guide

PETRA MIDI DRESS
Free shipping
Free standard shipping over $300
Free consultation
Book a FREE virtual size & fit consultation to view your favourite items and get the best fit advice
Book NowEasy Returns
Did you know you have 14 days to try on at home and decide if it's right for you?
Returns Policy





















