MONTANE EXTREME JACKETLast of stock, priced to clear. Please note, these are new old stock and the style may vary slightly from the photos, but the basic design is the same. The Extreme Jacket is a base layer, mid layer and outer layer combined. For optimum lightweight comfort and performance it should be worn against the skin or over a fast wicking technical layer such as the Bionic. This is a clothing system for the really active user who wants to minimise the stop start