- Navy blue jersey T-shirt for boy - Round neck, long sleeves - One chest patch pocket, embroidered badge - Exclusive IKKS ecru stripe pattern, trompe-l'oeil effect short sleeves - Navy ribbed collar - Straight shape - IKKS #actforbetter: material contains 100% Organically grown cotton It doesn't get more iconic than the sailor. With its pocket and trompe-l'oeil effect, it reinvents everyday looks.