Prois INSULATED, heavyweight pants that are engineered to withstand the coldest conditions mother nature has to offer. Constructed with 100% polyester 8000/5000 waterproof/breathable shell that is soft and utterly silent. Insulated with 150 Gram 3M ULTRA Thinsulate and lined with our sleek nylon tricot. These pants are the ultimate in warmth whether you are trekking across the frozen mountain terrain or awaiting that trophy buck in a treestand. •Elastic waistline with belt loops. •Large cargo pockets with pillowtop closures. •9″ boot zippers added for ease of donning. These pants have ample room built in for layering.