- Men’s navy shirt - Parisian collar, long buttoned sleeves - SLIM fit, microleaf motif - Buttons to fasten, IKKS button on left cuff - IKKS #actforbetter: fabric contains pure organic cotton The printed shirt is the key piece in the IKKS collections and makes a noticeable comeback with a navy microleaf motif on a white background. It’s understated and undeniably stylish.