Lightweight, durable, waterproof and ultra-warm, the Simms Challenger Insulated Bib silences cold, stormy weather so you can stand tall through it all. Waterproof 2-layer Toray® fabric keeps you dry with fully taped seams. PrimaLoft® Rise provides the most warmth and is lined with moisture-wicking polyester taffeta. Strategically placed abrasion panels on the back seat, knees and bottom cuffs enhance durability, providing endless hours of performance in cold, wet conditions. Adjustable suspender straps cushioned with an air mesh harness for comfort and a high-back panel for insulated waterproof coverage. The center front YKK Vislon zipper is protected by a waterproof storm flap to keep the driving rain out. Drop-in chest high hand-warmer pockets lined with brushed tricot for warmth and vertical zippered left chest pocket with YKK Aquaguard zipper. Waistband constructed with wide belt loops, featuring D-ring for kill switch clip Welted velcro closure drop-in thigh pockets with reinforced plier sheath Thigh-high, 2-way side zippers for easy on/off while wearing boots with adjustable velcro cuff closures at the bottom hem and removable knee pads Lower legs feature an interior gaiter cuff to keep water and snow out Fixed inseam length of 32" for all sizes FABRIC TECH: Shell - 2-layer Toray 100% nylon 70D waterproof with DWR Shell Overlays - 100% 6.6 nylon 2-ply oxford weave, 275 gsm, back seat, piler pocket, knees, hem Insulation - PrimaLoft® Rise insulation, 100g legs, 80g upper body Lining - 100% polyester taffeta