Original Penguin Short Sleeved Flat Lock Pocket T Shirt In True Black, A cotton jersey t shirt with a ribbed crew neck and short sleeves. A pouch pocket feature on the left of the chest with overlock stitching detail in white and grey. The signature Original Penguin logo is embroidered on the pocket trim in white. 100% Cotton. High Fashion Original Penguin Polos And T Shirts Live Online UK.