Sacai's designs are a smart mix of formal and casual. This blue and white striped cotton shirt has coated contrast cuffs and a white 'windbreaker-esque' shell hem. Wear the style with trousers and sneakers to champion a relaxed, off-duty look. Shown here with Band of Outsiders trousers, Maison Martin Margiela sneakers, Valextra bracelet and Uniform Wares watch.

• Blue and white striped cotton shirt
• Buttoned collar, patch pocket, buttoned cuffs, coated contrast stripes at cuffs and hem, back box pleat, white shell hem
• Button and snap fastenings through front, cord drawstring at hem
• 100% cotton; trim: 100% polyester
• Dry clean