Threads 4 Thought Men's Plaid Flannel Sherpa Lined Work Shirt Outer: 100% Organic Cotton; Inner: 100% Recycled Polyester Imported Dry Clean Only Slim fit Outer is soft organic cotton flannel fabric Inner lining is the softest Sherpa lining you will ever feel, made from 100 percentage recycled polyester from water bottles Contrast buttons in wood brown Double chest pockets with buttons