- Off-white men's shirt - Wall Street collar, long buttoned sleeves - SLIM shape, exclusive IKKS navy polka dot print - Button closure, IKKS button left cuff - IKKS #actforbetter: material contains 70% organically grown cotton Navy blue on an off-white background, for this revisited polka-dot print shirt. A fashion classic that never goes out of style. Slip it on under a navy suit.