When I'm ice climbing, when my belaystation is once again under an icy cold shower, I sometimes think about buying a synthetic fibre jacket. However, I don't indulge in this hobby often enough to make an extra jacket worthwhile and synthetic fibres take up more space in my backpack than their biological relatives, down. With the "Eigerjoch Advanced IN" Mammut promises to achieve precisely this balancing act. Impregnated down from species-appropriate animal treatment on the sensitive parts of the body for good thermal performance and a small pack size. Combined with a high-quality Primaloft synthetic fibre filling in areas that are particularly exposed to moisture. Can the jacket really fulfil these high demands?
Weight and pack size
Mammut gives the weight for the XXL size as 405g. So I removed the flour from the last cake baking session from the kitchen scales and checked: 381g on the digital display, so the weight is well within the tolerance range. While we're on the subject of baking cakes - the jacket, which can be stored in its own side pocket, is about the size of a 1kg packet of flour. So not quite as small and light as a pure down jacket, but definitely small enough to always have it with you.