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Midi Dresses

Looking for the perfect midi dress? Sister Online offers a stylish selection of women's midi dresses for everyday wear, work and special occasions. With hemlines falling between the knee and ankle, midi dresses are a versatile choice for every season. From printed dresses and relaxed styles to sophisticated designs for events and evenings out, find a look to suit your wardrobe.

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Sale 50% off
Only One Left

Luisa Cerano Rose Print Ramie Midi Dress With Tie Waist Pastel Rose

£450.00 £225.00 50% off
Save £225.00
Sale 50% off
Only One Left

Sahara Cowl Neck Pleat Front Textured Cocoon Dress Light Sage

£209.00 £104.50 50% off
Save £104.50
Only One Left

Alquema Long Estrella Crinkle Pleat Sleeveless Dress Black Leopard

£239.00
Sale 20% off

Onjenu Fawcett Pebble Print Long Sleeve Dress Pink/blue/multi

£145.00 £116.00 20% off
Save £29.00
Sale 50% off

Atelier Reve Iromine Ditsy Floral Long Dress With Frill Trim Ecru/navy

£129.99 £64.35 50% off
Save £65.64
Sale 31% off
Only One Left

Onjenu Amy Abstract Print V Neck Tie Waist Jersey Dress Iris Aqua

£135.00 £93.06 31% off
Save £41.94
Sale 31% off

Orientique V Neck Aiya Napa Print Empire Seam Floaty Dress Bright Multi

£89.00 £61.68 31% off
Save £27.32
Sale 31% off
Only One Left

Onjenu Esme Midi Dress Medsea Pink/blue/multi

£145.00 £99.99 31% off
Save £45.01
Sale 50% off

Pink Lemons Mona Lisa Floral Print Smock Chest Bell Sleeve Tiered Dress Green/white

£105.00 £52.00 50% off
Save £53.00
Sale 50% off

Pink Lemons Mona Lisa Square Neck Smock Chest Bell Sleeve Tiered Dress Blue/white

£105.00 £52.00 50% off
Save £53.00
Sale 50% off
Only One Left

Pomodoro Halter Neck Long Tiered Dress With Lurex Dots Coral

£135.00 £67.50 50% off
Save £67.50
Sale 41% off

Hatley Sierra Off Centre Stripe Fitted Midi Dress Side Split Seaside Stripes

£85.00 £50.49 41% off
Save £34.51
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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.