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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.

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Riani Long Leg Bootcut Side Zip Detail Trouser Black

£215.00 £64.50

Luisa Cerano Mottled Printed Tailored Evening Trousers Grey/Gold

£199.00 £59.00

Bariloche Ramiro Cropped Pull On Pocket Detail Stretch Trouser Beige

£89.00 £44.50

Oui Jersey Smart Trouser With Elastic Back Navy

£139.00 £68.81

Marc Cain Velvet Weida Wide Leg Trouser With Elastic Back Black

£269.00 £134.50

Marc Cain Washington Elasticated Waist Wide Leg Smart Trouser Warm Stone

£185.00

Riani Smart Seam Front Cropped Cotton Trouser White

£239.00 £191.20

Robell Bella 09 Slim Fit Pinstripe Pull On Trouser Navy/white 69

£69.00

Luisa Cerano Smart Wide Leg Trouser With Crease Navy

£269.00 £134.50

Luisa Cerano Jersey Gabardine Easy Leg Trouser Green

£285.00 £142.50

Tia Flared Velvet Trouser To Match Blazer Deep Brown 39

£125.00 £56.00

Herzens Angelegenheit Smart Pull On Trouser With Elastic Back Waist Anthracite

£149.00 £44.00
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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.