Our Gritman lined canvas vests are designed to keep your core warm and give you the full range of motion you need when you're out working on chilly days. Durable cotton duck canvas Pouch pockets with hand warmers Zippered chest pocket Secure inside pocket Knit-rib collar 100% high-pile fleece lining Timberland products are warranted to be free from manufacturer defects for 12 months from the date of purchase.