Walls blizzard pruf strives to maintain the authenticity of the working man with garments that are classic, dependable and durable. Twelve ounce brushed duck cotton/poly blend is treated with dwr (durable water repellent) and made with Walls warmest insulation for the less active worker in mild climates or for the more active worker in colder conditions. Stay warm, comfortable and dry wearing Walls blizzard pruf this season.