- Men's black shirt - Monaco collar, long buttoned sleeves - SLIM shape, exclusive IKKS skull and flowers print - Button closure, IKKS button left cuff - IKKS #actforbetter: material containing 100% viscose from forests managed by the Forest Stewardship Council (FSC), an international NGO whose mission is to promote the ecological, social and economic management of forests Rock and poetic inspiration for the exclusive skull and crossbones print on this men's shirt. Celebrate the comeback of the ever-elegant black and beige duo.