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Formal

Explore our collection of women’s formal trousers, perfect for work, events, and evening occasions. Discover tailored styles, smart pull-ons, and luxury fabrics.

Sale 50% off
Only One Left

Joseph Ribkoff Smart Wide Leg Pant With Gold Side Button Merlot 4433

Regular price £199.00 £99.50
Save £99.50
Unit price
per 
Only One Left
Sale 20% off

Joseph Ribkoff Classic Wide Leg Stretch Trouser Slate 3923

Regular price £155.00 £124.00
Save £31.00
Unit price
per 
Sale 50% off

Joseph Ribkoff Crepe Knit Wide Leg Trousers With Button Waist Black

Regular price £239.00 £119.50
Save £119.50
Unit price
per 
Sale 30% off

Silk95 Amalfi Elasticated Waist Wide Leg Silk Trouser Mink

Regular price £280.00 £196.00
Save £84.00
Unit price
per 
Sale 50% off

Marella Emme Procida Classic Kick Flare Smart Trouser Navy

Regular price £99.00 £49.50
Save £49.50
Unit price
per 
Sale 50% off
Only One Left

Marella Emme Pomez Smart Cigarette Trouser Cream

Regular price £90.00 £45.00
Save £45.00
Unit price
per 
Sale 50% off
Only One Left

Vilagallo Carla Pull On Stretch Wide Leg Trousers With Seam Tobacco

Regular price £110.00 £55.00
Save £55.00
Unit price
per 
Sale 20% off

Robell Joella Smart Split Front Stretch Trouser Navy 69

Regular price £139.00 £111.20
Save £27.80
Unit price
per 

Our Purpose

At Sister, our purpose is simple: to make fashion personal. We believe shopping should feel inspiring, not overwhelming, and our boutique offers a place where you can build your whole wardrobe without needing to go anywhere else. Every piece we stock is chosen to bring joy, confidence, and practicality into our customers’ everyday lives.

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Exclusive Pieces

Every piece is selected for individuality and quality.

Trusted for Generations

35 years in business, customer returning for 30+ years.

Personal Touch

Styling advice, honest fit guidance & over the phone support.