Engineered For Midrange Warmth in Moderately Cold Conditions. See Technology section below for more details.
Cheapest I could find on the Internet new was $120 and $80 for used. Size guide is from Carhartt.com
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
A heavyweight insulated ringspun firm hand cotton duck.
Exterior: 12-ounce, 100% ringspun firm-hand cotton duck
Interior: Quilted nylon
Care Instructions: Machine wash cold gentle cycle with mild detergent. Do not bleach. Tumble dry low remove promptly. Do not iron. Do not dry clean