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SIR SIR Astrine minidress
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SIR Astrine minidress

SIR

$690.00 -9% OFF

$750.00

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Free U.S. shipping on Mytheresa orders over $400. Sold and fulfilled by Mytheresa, with current pricing, availability, and delivery details confirmed at checkout. shipping and returns information

Product Insights & Style Tips

The SIR Astrine minidress exudes a quiet, city-ready confidence in a coffee shade that feels warm and polished. The fabric blend—70% polyester, 15% recycled polyester, 8% viscose, 7% elastane—delivers a soft, smooth hand with subtle sheen and just enough drape. It sits mid-weight, structured yet forgiving, while the elastane gives a gentle stretch. The lining is 100% polyester for a smooth underlayer, and the piece benefits from dry clean care to keep the silhouette sharp.

Double-breasted buttoned front creates a tailored silhouette that reads sharp in motion. Faux pockets keep the front clean while adding a hint of utility, and the dress skims without clinging thanks to the fabric stretch. The minidress layers smoothly over tights or booties and can be paired with a blazer for day and with heels for evening, moving from desk to dinner with ease.

SIR stays true to its Australian design voice—clean lines, modernist polish, and a color story that wears across locales. The Astrine minidress offers a versatile, fashion-forward option in a timeless coffee tone, easy to style with leather sandals or knee-high boots depending on the mood.

Materials / Fabrication

  • Fabric composition: 70% polyester, 15% polyester (recycled), 8% viscose, 7% elastane
  • Closure: double-breasted buttoned front
  • Pockets: faux pockets
  • Lining: 100% polyester
  • Made in Australia
  • Designer color name: Coffee

Recommended Care

  • Dry clean only to preserve fabric integrity and color
  • Avoid ironing; if necessary, use a cool steamer and low heat
  • Store on a hanger to maintain shape

Fit Notes

  • The dress features a double-breasted buttoned front closure.
  • Pockets are faux, preserving a clean silhouette.
  • The lining is 100% polyester.
  • The fabric includes elastane for stretch, adding ease of movement.
SIR SIR Astrine minidress

How To Wear It

  • Finish the look with a pair of wedges to elongate the leg line and balance the minidress silhouette.
  • Carry a brown leather designer bag to echo the coffee shade and add a polished finish.
  • Layer with knitwear to keep the silhouette refined while the double-breasted front remains the focal point.

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About SIR

SIR The Label is an Australian fashion label with a sustainable background. The cult Australian fashion label was founded by Sophie Coote and Nikkie Campell in 2014, delivering socially conscious minimalism with a free-spirited edge since its inception. Think 70’s, 80’s inspired silhouettes with a beachy aesthetic that can be worn whether you’re beach side or hitting the town. Shop the latest collection from SIR The Label, ranging in dresses, shirts, skirts, pants and swimwear.