Offering all-day insulation for cold-weather boat or bank fishing, our Nano Puff Pants are made with low-bulk, 100% polyester 60-g PrimaLoft Gold Insulation Eco for an experience described by one of our field testers as "floating in toasty, puffy warmth. Just as important, the Nano Puffs maintain their warmth even when weta critical factor for any on-the-water insulation. The ultralight polyester shellwith a DWR (durable water repellent) finish and a reinforced seatresists light moisture on its own, and slides easily in and out of waders, rain pants or our Hose-Down Slicker Bibs in heavier weather. Elastic waistband and belt loops prevent unintentional moon sightings. Zip fly, front slash pockets and zippered rear security pocket provide easy access and storage. In other words, Nanos are ideal cold-weather fishing pants that work just as well in camp or around town. Fair Trade Certified sewn.