Designed to keep anglers comfortably warm, bone dry and on the water, the Simms Guide Insulated Rain Bib is the ultimate defense against the most extreme conditions. Delivering complete coverage when paired with the Simms Guide Insulated Rain Jacket, the Simms Guide Insulated Rain Bib features a 100% waterproof GORE-TEX shell, which is incredibly rugged and extremely breathable. Packed with PrimaLoft Silver insulation throughout, the Simms Guide Insulated Rain Bib affords plenty of warmth to keep anglers casting and catching. Built to last, the Simms Guide Insulated Rain Bib employs a reinforced construction in the seat, in the knees, and on the backs of the ankles. Offering refuge for frigid digits, the Simms Challenger Insulated Bib features two hand-warmer pockets, as well as a zippered chest pocket, thigh pocket, and a reinforced pliers pocket. For added convenience, the Simms Guide Insulated Rain Bib comes fitted with a two-way YKK zipper on the front, which allows anglers to easily relieve themselves without needing to fully remove the bib. The Simms Guide Insulated Rain Bib also utilizes Velcro cuffs to seal out moisture, while knee high ankle zips allow for easy on-and-off while wearing boots. When staying warm and dry are both equally important to your success on the water, you can count on the Simms Guide Insulated Rain Bib to step-up and deliver. -100% Waterproof GORE-TEX shell -100% recycled polyester taffeta lining -PrimaLoft Silver insulation (80g in waist & seat + 60G in chest & legs) -Fully seam-sealed and DWR treated -Reinforced seat, knees, and backs of ankles -Stretch elastic suspenders -Two hand-warmer chest pockets -Zippered chest pocket -Thigh cargo pocket with reinforced drop-in pliers pocket -Bottom cuff closure -Knee-high ankle zips -Bibs run large to accommodate layering.