20.8 oz., 99% cotton, 1% Spandex; Sherpa & Sleeve lining: 100% recycled polyester; Polyester fiber in this blend is made from recycled content including plastic bottles. ; Recycled poly helps reduce water usage, energy consumption and CO2 emissions when producing this garment.; Updated classic denim styling; Chest pockets with button flap closure; Hidden decorator access zipper; Threadfast is a proud member of the Better Cotton Initiative (BCI). Cotton products from Threadfast support more sustainable cotton farming. Better Cotton is sourced via a system of mass balance.