The Rab Mythic Alpine Light Jacket is the lightest in The Rab Mythic series, and it maximises warmth while minimising weight thanks to body-mapped insulation and ultralight construction. Around the core are down-filled baffles, while the sides, cuffs, shoulders, and base of the hood are lined with robust synthetic insulation that breathes well and effectively controls moisture. This jacket is exceptionally warm for its weight and bulk because it uses the best insulation available - 900FP down and PrimaLoft® Gold. Mythic Alpine Light Down Jacket - Men's