Knitted from an organic cotton interlock jersey, NN07's 'Paul 3525' polo shirt has been specially mercerised for a smooth handle with quiet lustre. Designed for a relaxed fit, it features an open collar and flat-knit detailing to reinforce the softly structured shape. Lower-Impact Materials. This product is made using at least 50% lower-impact materials or ingredients. Find out more about our Consciously Crafted criteria here.