- Boys’ navy shirt - Shirt collar, long buttoned sleeves - Exclusive IKKS graffiti print - Buttons and a press stud down front to fasten - IKKS# #actforbetter: fabric contains pure LENZING™ ECOVERO™ viscose from sustainably managed forests Mini-me ! See the boys’ shirt This boys’ shirt in 100% Ecovero® viscose from sustainably managed forests has a graffiti-inspired print. It reflects the men’s model, for mini me looks.