These 10X Insulated Bib Overalls are made of a waterproof-breathable polyester shell with a diamond-quilted Thinsulate insulation and provide high performance protection from wind, rain, and snow. They feature ankle-to-thigh waterproof zippers and 2-way front concealed snap storm fly zipper, comfort elastic bib straps with quick release hardware, elastic inserts at back waist for ease of movement, scuff guard at back leg hem for added durability, 2 upper bib pockets with waterproof zipper closures and 2 lower front pockets with reverse coil zipper closures and water-shed flaps and Scentrex scent control lining. Be prepared for anything mother nature can throw at you in these 10X Insulated Bib Overalls. Material: Polyester.