The Frogg Togg Co-Pilot Insulated Puff Jacket was made to function as a stand-alone or zip-in liner for the Pilot Series Jackets. The Puff Jacket is made with abrasion resistant nylon ripstop to create one of the most durable puff jackets ever. The jacket has an oversized full-zip internal chest pocket for keeping valuables safe and two external storage/hand warmer pockets. This jacket is a must have for anglers who fear no weather conditions and don't mind taking on the challenges of a cold day on the water. Match it with the Frogg Togg Pilot II Guide Series Bibs and Jackets for the ultimate in weather protection!