The Roc Mimic Hood is filled with Haglofs' Mimic Platinum, a high performance synthetic insulation material which emulates the unique warming characteristics of down. It's augmented with graphene: another incredible material that conducts body heat, giving even heat distribution and a warmer product. These are built into a light, adjustable barrier that's perfect for any mountain activity. The surface is wind and water resistent and treated with a fluorocarbon free DWR to repel water and dirt. Includes an Aerogel-insulated phone pocket for delicate electronics.