This tennis dress brings together the ease of sportswear with modern design details. Reimagined in a tulip silhouette, it's crafted from crisp cotton-poplin and finished with a pointed collar, buttoned placket and topstitched seams.

Cotton: 100%

With its focus on timeless style over short-lived trends and premium materials at sensible prices, COS' considered designs - from contemporary trousers, dresses, coats and knitwear to stand-out accessories, including bags, shoes and jewellery - are modern wardrobe classics.

Summer calls for dresses in every shade and silhouette. From crisp white cotton and relaxed linen shirt dresses to full-blown romance and modern prints, these are the dresses you'll want to wear all season, from Ganni and Jigsaw to Zimmermann and Toteme.