This hooded jacket is padded with 3M™ Thinsulate™ Featherless Insulation - 600 Fill Power, a revolutionary alternative to natural down, and imitates its appearance.Made of light, resistant polyester fibres, this padding ensures greater warmth and better performance against damp than natural down, for the same volume.What’s more, it’s washable, compact, light, breathable and hypoallergenic.