Moody skies on the hiking trail? With this lightweight and packable shell jacket, it won´t be a problem.It´s made out of a durable, 3-layer PROOF™ fabric in recycled polyester with a plain face and recycled membrane to supply breathable weather resistance.Ventilated underarms help you stay comfortable on the move.You´ll also find an adjustable hood and a set of zippered hand pockets for cold hands or trail snacks.