Z1R Timber Denim Shirt The Z1R Timber denim jacket is made from 100 heavyweight cotton, featuring a full length internal flannel liner. Classic metal snaps cover up a premium front zipper closure that keeps this jacket safely secured. Move your arms around comfortably thanks the expanded shoulder gussets perfectly engineered from Z1R. Features: Made from a 100 heavyweight cotton denim Full size internal flannel liner Hidden zipper behind metal snap closures Expanded shoulder gussets for increased mobility 2 chest pockets 2 insulated hand warming pockets Adjustable snap wrist closure