Description Warmth Rating Earned: Level 2 - Warmer Engineered For Midrange Warmth in Moderately Cold Conditions. See Technology section below for more Details . These men's heavyweight bibs hold their own through wind, light rain, and several seasons of hard work. The overalls are made with our 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. Compatible with the Carhartt Knee Pad 103193 Features 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 Model No. OR4393-M Country of Origin: Imported