Our navy casual shirts for men look sharp and highly on trend with their timeless classic colour. Long or short sleeve, with checked, striped or other on-trend prints, River Island has a whole selection of navy casual shirts to suit you, no matter the occasion or time of day. Whether you’re off on a night out, meeting your date, chilling with mates or jetting off on a holiday, a navy slim fit casual shirt worn on its own or as part of a layered outfit always looks super fresh.