Formal Trousers

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 30% off

Marc Cain Waukee Wide Leg Smart Linen Trouser Cobalt

Regular price £269.00 £188.00 30% off
Save £81.00
Unit price
per 
Sale 50% off
Only One Left

Bariloche Ramiro Cropped Pull On Pocket Detail Stretch Trouser Beige

Regular price £89.00 £44.50 50% off
Save £44.50
Unit price
per 
Sale 50% off

Oui Jersey Smart Trouser With Elastic Back Navy

Regular price £139.00 £69.50 50% off
Save £69.50
Unit price
per 
Only One Left
Sale 20% off

Riani Smart Seam Front Cropped Cotton Trouser White

Regular price £239.00 £191.20 20% off
Save £47.80
Unit price
per 
Only One Left
Sale 50% off
Only One Left

Luisa Cerano Smart Wide Leg Trouser With Crease Navy

Regular price £269.00 £134.50 50% off
Save £134.50
Unit price
per 
Sale 50% off
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Luisa Cerano Jersey Gabardine Easy Leg Trouser Green

Regular price £285.00 £142.50 50% off
Save £142.50
Unit price
per 
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Sale 51% off

Riani Smart Seamed Trouser With Zip Pockets Fuchsia

Regular price £319.00 £155.00 51% off
Save £164.00
Unit price
per 
Sale 63% off
Clearance
Only One Left

Mac Smart Cigarette Trouser White 28L

Regular price £99.00 £36.60 63% off
Save £62.40
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.