Think of it as a non-puffy puffy. This ultralight snap-front is insulated with Premium Down for exceptional warmth. But its clean, simple lines make it an easy and super verstaile layer. In mild conditions, wear it on its own. When it gets really cold, wear it under a rain shell or parka.Models shown are 5'9" to 5'11" tall, wearing size S/4, L/12, or XXL/18.