Greg Lauren - Birdwell Grandad-Collar Panelled Distressed Checked Cotton-Flannel and Nylon Shirt - Orange Size 3 (US Large) Greg Lauren is known for patchwork designs - it's not just fabrics he pieces together, but points of inspiration that take him to different places and times. This rugged-looking shirt is made from substantial cotton-flannel and black nylon; the latter is sourced from the swimwear brand Birdwell, which was one of the designer's favorites growing up. This shirt is a collaboration between designer Greg Lauren and the Californian surf brand Birdwell. It is a patchwork style shirt made from a mix of checked cotton-flannel and nylon. The design features a grandad collar, distressed details, and frayed edges. Greg Lauren is known for his deconstructed and reconstructed take on classic wardrobe staples.