The Chilkat Bib keeps the cold and snow at bay whether heÂs out sledding, going to school, or on the ski hill. A quilted front bib with fleece back makes for a seamless transition from pant waist to chest. Our exclusive HydroBlockÂ® Sport 10,000mm waterproof/breathable technology with high loft 120 gram premium insulation keeps him warm and dry. Our original ‘I-Grow’Â Extended Wear System has built-in technology to increase cuff length by 2 inches. Technical features include critically seams sealed, reflective trims, reinforced pant hems, inseams, and scuff guards, and water-resistant powder cuffs. Performance details include a thigh pocket, an adjustable interior waist i-lock bungee system, and fleece chin protector.