- Men's navy blue suit jacket - Tailored collar, long sleeves - One chest pocket, two side pockets, two inside welt pockets - Faux-plain fabric, plain twill lining - IKKS pin logo decoration on collar, button closure Shop the matching trousers Make way for the new suit. Its navy blue faux-uni fabric allows for a very modern denim effect. Wear it on its own over jeans, or as a suit over matching pants.