When the cold weather hits, you need an insulated bib overall that holds up. The overalls are made with Carhartt's rugged firm-hand duck, the most durable canvas out there. They have a smooth quilted lining from the waist down, with ankle-to-thigh leg zips for quick ventilation. Features Model: 104393 Color: Black 12-ounce, firm-hand, 100% ring-spun cotton duck Quilted nylon lining to waist for easy on and off; Polyester insulation to waist for midweight warmth Carhartt-strong, triple-stitched main seams; Metal rivets at vital stress points Adjustable elastic suspenders for a personalized fit Multi-compartment bib pocket with zip closure Two large front pockets Two reinforced back pockets Double-layer knees with openings for adding knee pads and cleaning out debris Ankle-to-thigh leg zippers with storm flaps and snap closures Reinforced Cordura® back-leg kick panels add durability Loose Fit - a fit that is looser through the seat, thigh and legs to give you room to move while work This style is NEW for Fall 2021 and an update to the R41 Bib Overall Sizing Tip: Keep in mind that if you are putting your bib overalls on top of other layers of clothing then you should size up slightly. Waist Sizing : Small - 28-30 inch waist, Medium (32-34), Large (36-38), XL (40-42), XXL (44-46) Length Sizing: Short (28-30 inch inseam), Regular (32-34), Tall (36+)