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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.

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Sale 20% off

Riani Smart Seamed Trouser With Zip Pockets Black

£249.00 £199.00 20% off
Save £50.00
Sale 70% off
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Herzens Angelegenheit Smart Pull On Trouser With Elastic Back Waist Anthracite

£149.00 £44.00 70% off
Save £105.00
Only One Left

Weekend By Maxmara Madre Narrow Leg Trouser Black

£165.00
Sale 50% off
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Only One Left

Riani Narrow Leg Classic Trouser Black

£195.00 £97.50 50% off
Save £97.50
Sale 50% off
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Only One Left

Luisa Cerano Check Trouser With Side Stripe Black/White

£249.00 £124.50 50% off
Save £124.50
Sale 50% off
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Luisa Cerano Check Front Trouser With Plain Back Black White

£279.00 £139.50 50% off
Save £139.50

Robell Bella Pleather Trouser Black 90

£75.00
Sale 50% off
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Weekend By Maxmara Segnale Check Wide Leg Trouser Grey

£155.00 £77.50 50% off
Save £77.50
Sale 50% off
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Weekend By Maxmara Buono Fine Check Tailored Trouser Dark Grey

£169.00 £84.50 50% off
Save £84.50
Sale 66% off
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Marc Cain Faux Suede Trouser With Ankle Split Nude

£165.00 £56.00 66% off
Save £109.00
Sale 70% off
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Riani Check Trouser With Metal Tape Side Bronze Check

£295.00 £88.50 70% off
Save £206.50
Sale 75% off
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Only One Left

SET Full Length Ankle Zip Trousers With Chain Detail Black

£155.00 £38.00 75% off
Save £117.00
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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.