Montane Apex 8000 Down JacketDesigned for use in the most extreme environments on earth, the Apex 8000 Down Jacket has been developed in conjunction with expedition leading mountaineers and tested in high altitudes of 8000m+. The jacket is designed to be used with the Apex 8000 Down Salopettes as part of a 2 piece system, which gives it versatility for use at lower altitudes or on polar expeditions. Filled with 500g of the highest quality water resistant goose down within a box