GENUINE U.S. MILITARY ISSUEPOLARTEC 200 FLEECE BIB OVERALLS BLACKmade in USA / NEW in package X Large LongChest 45"-49:Height  71"-75"NSN# 8415-01-472-6918These bibs are  to be worn underneath lose fitting cold weather clothes.  Extremely warm with wicking action that draws body moisture away from body while retaining body heat. Manufactured of Polartec 200 which is known for lightweight warmth and breathability. Black elastic suspenders with ITW Fastex Nexus plastic quick release buckles. Full length size zipper on each pant leg, double-end zipper along torso in front. 100% polyester velour construction creates air pockets that trap air and retain body heat. Polartec Classic 200 Bib Overalls: Govt Issue, best quality you can get! Features: Full length size zipper on each pant leg, double-end zipper along torso in front, adjustable elastic shoulder straps with plastic quick release fasteners, Black color. Manufactured of Polartec 200 which is known for lightweight warmth and breathability. RE: SizingThese are worn just to the ankle or top of boot to keep them dry,NOT bloused or over your boots.