- Boy's khaki shirt - Shirt collar, long buttoned sleeves - Exclusive IKKS winter flower print - Button and one snap closure - IKKS #actforbetter: material containing 100% LENZING™ ECOVERO™ viscose from sustainably managed forests Exclusive winter flower print on LENZING™ ECOVERO™ viscose from sustainably managed forests. The boys' shirt plays on fluidity, comfort and style, without compromise