Cut Away Slim Signature Twill Parrot ShirtDesigned, constructed and perfected over almost two decades, the Signature Twill shirt truly is an Eton icon. The fabric's distinct diagonal structure is woven from two ply yarn spun from extra long staple cotton meaning that we make this shirt from some of the longest, most robust and elegant cotton fibers in the world. Only the top 2% 3% of the global harvest qualifies and has that rare, perfect balance between suppleness, structure, and luster.