The Sia Open Back Mini Shirtdress is a modern, statement-making design that combines the classic look of a sleeveless shirtdress with an elegant open back and oversized tie detail. Designed for woven fabrics, this relaxed-fit mini dress is both stylish and comfortable — perfect for warm weather, vacations, brunch dates, or casual summer outings.
The front features a classic shirt collar and button-through design, while the back showcases a dramatic open-back cutout with adjustable self-tie detail for a feminine finish. The curved hem adds a soft, flattering silhouette.
With sizes ranging from XXS to 5XL, this pattern is designed to suit and celebrate a wide range of body shapes.
PATTERN FEATURES:
• Regular fit
• Mini length
• Shirt collar with button closure
• Sleeveless finished with bias facing
• Open back
• Elasticated back skirt
• Waist tie detail (can be tied to the front or back)
SKILL LEVEL: Intermediate
The Sia Open Back Mini Shirtdress includes collar construction, button placket sewing, and clean finishing techniques, making it a rewarding project for confident beginners and intermediate sewists.
Create a chic, contemporary summer dress with a unique open-back twist using the Sia Open Back Mini Shirtdress sewing pattern.
Patterns are created in layered PDF, which means you have all sizes in just one file, and have the option to print just the size you desire. Read the printing instruction carefully before printing for best result.
PATTERN INCLUDES:
• Pattern in A0 paper format (for large format printers/print shops)
• Pattern in A4/US Letter paper format (for home printers)
• Pattern in Projector file format (for projector users)
• Step by step illustrated instructions













