Mountain Equipment have made a version of the Annapurna Jacket for over 40 years now, and it's still a top choice for anyone spending time in seriously cold conditions, whether that's at altitude, in the arctic, or you're anticipating a winter of socially distant pub beer-garden scenes. Insulated with shed loads of 700 fill power duck down (ethically sourced in accordance with the Down Codex) within a water-resistant 40D DriLite Loft shell, the Annapurna Jacket will keep you warm and protected. Annapurna Down Jacket