- Men's medium grey suit jacket - Suit collar, long sleeves, with button decor - One breast pocket, two side welt pockets, with flaps - Two inside welt pockets, one buttoned - Exclusive IKKS check pattern, plain satin twill lining - Double-breasted buttoning, button closure - Straight cut, hip length - Wear with coordinating jacket Shop the matching trousers Finding the perfect look is an art we've mastered. Start with a gray suit jacket with a checkered pattern. Underneath, a white shirt. With matching pants.