The Mountain Equipment Arete Hooded Jacket is a super light-weight, highly breathable natural down jacket designed for alpine pursuits. The Arete has a Helium 20 down proof outer fabric which protects the traceable hydrophobic down and is thermally optimised without sacrificing weight with a narrow baffle construction. Designed for lightweight, fast paced alpine climbing, the Arete packs down into a hand pocket with twin karabiner carry loops for optimising your storage space.