The Carhartt Duck Active Jacket is built strong with 12-oz. firm-hand 100% ring-spun cotton duck and a lightweight 100% polyester thermal lining for on-the-job warmth. For extra protection from the elements this jacket includes an attached three-piece thermal-lined hood and the rib-knit cuffs and bottom work to keep out the cold. Carhartt has equipped the Duck Active Jacket with two large hand-warmer pockets and two convenient inside pockets for ample storage. The main seams in this jacket are triple-stitched for long lasting durability. Carhartt produces their outerwear linings with specific levels of comfort and warmth in mind.