Insulated “warm up” pants or comfy camp wear, these could also be the perfect addition to a sleep system. These pants are easy to pack, and make an excellent emergency item when extra warmth is required. They are insulated with 3 oz Primaloft Sport and have a 20 denier ultra lightweight Pertex Quantum microfiber ripstop nylon shell and lining fabric. The waist is elasticised with a shock cord adjustment. The bottom hems are trimmed with lycra binding to make make these pants light-weight and super compressible.