The Outdoor Research Mens SuperStrand LT Jackets an ultralight, compactable powerhouse replete with VerticalX SuperStrand Insulation. Its lofted polyester strands provide all the best properties of down and synthetic insulation. The material can breathe, sweat, and retain peak performance over lengthy trips in the backcountry. Its outer shell is made of a nylon fabric thatll weather light precipitation, wind, and abrasions. Binding its construction together is a discontinuous quilting pattern that creates an uninterrupted flow of warmth. The slim profile means this jacket can easily complement whatever your approach to layering might be in a given season. Clocking in at an average of 10 oz. with all the warmth of a stockier jacket, the Superstand is a model traveling companion.