The Obermeyer Women's Bliss Pants are made with 100% polyester 2-way stretch fabric and 40 g of 3M(TM) Thinsulate(TM) Platinum Flex insulation providing a great fit with unsurpassed technology. It's ideal for all-day outings with the 15,000mm waterproof/breathable fabric. It features an interior stretch lining and high back fleece waistband that are sure to bring a smile to your face. The Obermeyer Women's Bliss Pants are sure to be your new favorite this season.