Waterproof and breathable, our Pack It overtrousers are perfect for on-the-go protection. Featuring our Isotex 5000 fabric, they'll see off rainfall when out hiking and exploring. The taped seams provide added protection and the elasticated waistband helps the trousers move with you. Pack the trousers away in the convenient stuff sack. The Pack-it is an unlined packable overtrouser. Its your emergency wet-weather legwear built on over 30 years experience in outdoor clothing. Isolite 5000 Lightweight Polyamide Fabric, Waterproof And Breathable Robust Water Repellent Surface Welded Seams Elastic Waist 2 Openings For Side Pockets.