Original Penguin Long Sleeved Core Oxford Shirt In Diva Blue. Heritage Slim Fit. Full front pearlescent button placket with a button down collar and button fastened cuffs of the long sleeves with a checked interior on the cuff in navy and blue. The signature embroidered Original Penguin logo is situated on the left of the chest in blue with a woven Original Penguin label on the bottom of the button placket in cream and navy. Top stitching on the seams in white. 100% Cotton. Brand New Original Penguin Shirts Live Online UK.