Engineered to survive the jobsite and outlast the elements, the Milwaukee® GRIDIRON™ zip-to-thigh bib overalls are built for tradesman who can't let cold slow them down. Focused on providing reinforcement in areas where traditional workwear fails, GRIDIRON™ ripstop polyester outlasts 12oz cotton duck by 3X against abrasion and tearing. FREEFLEX™ stretch panels across the inner legs combined with lighter, more durable materials maximize mobility by reducing bulk and eliminating break in time. NO DAYS OFF™ weather protection provides wind and water resistance and combines with high loft insulation to combat the most extreme weather conditions.