Walls Men's Big & Tall Legend Insulated Coverall with Drytec Water Repellent Finish 60% Cotton/40% Polyester Machine Wash Shell composed of durable and comfortable 8 ounce. 60 percentage cotton, 40 percentage polyester brushed twill with DryTec water repellent finish 6 ounce. Heavyweight polyester insulation Diamond quilted polyester lining to hold in body heat Elastic inserts at back waist for easy movement Scuff guard at back leg hem for added durability