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£55 £135
Crafted from 100% silk-twill in black, this slim-fit backless midi dress is elevated with adjustable halterneck ties and a flattering bias-cut hem. It's an effortless piece that can be dressed up or down depending on the occasion.
COS heralded a new era for modern, considered design. With a focus on timeless style over short-lived trends, and premium materials and craftsmanship at sensible prices, its affordable investment pieces - from contemporary dresses, coats, denim, tailoring and cashmere to stand-out accessories, including bags, shoes and jewellery - are modern wardrobe classics.