Waterproofing layers like the Frontier Jacket are essential in providing protection when the weather turns. The Fontier Jacket provides shelter in unexpected storms and downpours while the membrane actively removes water-vapour through small pours, making the jacket work for you. This allows you to remain active and focused. The Frontier material is a durable nylon construction, providing protection in bushland resisting punctures in the field. Heavy duty and extremely waterproof and packable in the Winter months the Frontier Jacket is the necessary protection on a rainy adventure. if the jacket is doing its job too well and you start to run a bit hot, simply unzip the pit zips to dump heat and keep going. Ideal for thick of winter expeditions and a perfect protection layer in your layering system.