The Open-Back Maxi Dress

This piece is part of the ATELIER capsule; an exploration of the modern wardrobe, founded on the principles of luxury and exceptional design.

Redefining eveningwear codes, this floor-length dress is a striking way to mark the occasion. It's shaped with a rounded neckline, open back and a hooked grosgrain strap that frames the shoulders. A pair of knotted ties cascades from the back of the dress down to the hem, creating a sense of movement as you walk. This panelled piece is crafted from recycled-polyester satin that lends fluidity and an effortless drape. It's offered in a refined colour-blocked palette of carbon, champagne and pearl. Considered touches include the concealed zip closure, adjustable grosgrain bra straps and laser-cut edges for a light, clean finish.

• Shell: 100% Recycled polyester
• Product No: 1242185001

A brand whose aesthetic has been so influential that it’s hard to remember what went before. But when COS launched in 2007 against a backdrop of fast, trend-led fashion, its focus on minimal pieces at accessible prices was a breakthrough moment. With a focus on style over trend, it heralded a new era for interesting, modern, considered design and changed our wardrobes for the better, forever.