Cooper St

Portia Long Sleeve Mini Dress

Size & Fit chevron icon

All products listed are in Australian sizes. Model is wearing size 8. Model is 177cm / 81cm-Bust / 64cm-Waist / 89-Hips.


BUST: Close fit. Refer to the size guide for specific measurements.

WAIST: Fitted.

HIPS: Close fit.

LENGTH: This top is hip length.


UNDERGARMENTS: Consider wearing nude bra and undies to minimise lines.

FABRIC: Fabric has no stretch. 

GREAT FOR: Petite, Pear, Hourglass body types.



AU6 (cm)AU8 (cm)AU10 (cm)AU12 (cm)

Please note that due to the differences in fabric and styles, exact measurements of each dress may be slightly different. The size guide should be used as a general indication of what size you should select.



AustraliaAU6 (0)AU8 (1)AU10 (2)AU12 (3)AU14 (4)

Since sizing and cut varies between dresses and brands, please use this chart as a general guide. The sizing in this chart applies to this dress ONLY. If you need assistance selecting the proper size, please contact our friendly customer service team.

Style Notes chevron icon

Going from a daytime event to date night with no time to spare? The must-rent Portia Long Sleeve Mini by Cooper St will be your style solution! Accented with a white spot print, the black mini dress features balloon sleeves with smocked cuffs and flirty frilled hem.

  • Zip fastening
  • Round neck
  • Lightweight fabrication

Look chic for a casual daytime event by teaming the dress with white trainers and gold teardrop necklace. When it’s time for date night, switch to heels and hire a rose gold mesh clutch. Check out our blog for more tips on how to transform your day look for a night out!

Colours: Black and White
Recommended for: Cocktail, Date Night, The Races
About The Designer chevron icon

Capturing the essence of the modern Australian woman for over 25 years, Cooper St is the perfect blend of effortless chic. The label is contemporary, beautifully crafted, wearable and on trend. Hailing as one of Australia’s well loved fashion and lifestyle labels, Cooper St is nationally stocked in over 200 boutiques, major departmental stores and online retailers.

Acler Walker Dress in Ivory Lemon, perfect for summer, available for hire
$289 to buy$550 retail
$144.50 to buy
Perseverance London - Guipure Front Detail Mini Dress - Pink Multi - Front
$339 to buy$589 retail
$169.50 to buy
Kookai	Tarryn Mini Dress Wineberry Marle
$165 to buy$220 retail
$82.50 to buy
Created with Sketch.