USE CODE: SISTER10 FOR 10% OFF FIRST ORDER (EXCL. SALE)

Welcome to Sister

Subscribe for 10% off your first purchase and receive updates on new season pieces, special events and exclusive perks.

Coster Copenhagen

CC Heart by Coster Copenhagen brings a fresh, modern edge to timeless Scandinavian style. With effortless designs and quality craftsmanship, it’s made for those who value comfort, versatility, and individuality in their everyday wardrobe.

Clear filters
Sale 50% off

Coster Copenhagen Positivity Round Neck T-shirt White/gold

£45.00 £22.50 50% off
Save £22.50
Sale 50% off

Coster Copenhagen Positivity Round Neck T-shirt White/Red

£45.00 £22.50 50% off
Save £22.50
Sale 50% off

Coster Copenhagen Love Round Neck T-shirt Powder Blue

£45.00 £22.50 50% off
Save £22.50
Sale 50% off

Coster Copenhagen Cherries Round Neck T-shirt Beige/red

£45.00 £22.50 50% off
Save £22.50
Sale 50% off

Coster Copenhagen Soft Stretch Hoodie Black

£59.00 £29.50 50% off
Save £29.50
Sale 50% off
Only One Left

Coster Copenhagen Soft Stretch Hoodie Grey Melange

£59.00 £29.50 50% off
Save £29.50
Sale 50% off

Coster Copenhagen Wide Leg Soft Stretch Joggers Black

£59.00 £29.50 50% off
Save £29.50
Sale 50% off
Only One Left

Coster Copenhagen Wide Leg Soft Stretch Joggers Grey Melange

£59.00 £29.50 50% off
Save £29.50
Sale 40% off

Coster Copenhagen Round Neck Fine Knit Jumper Beige

£59.00 £35.40 40% off
Save £23.60

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.

Learn more

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.