Titan Challenger Expedition Down Jacket - SHMW01CCThe Titan has been laboratory tested down to 80C, proving its capability when conditions go beyond extreme. Its exclusive body mapped construction and box wall baffles deliver unrivalled thermal efficiency, while the Heat Halo neck baffle adds vital warmth to the neck area and prevents retained heat escaping from the core body area below. Built from a 2 layer Pertex Shield with C0 DWR protection and Diamond Fuse durability, the Titan sheds snow and