Shove The North Face Summit L3 Down pant into your pack before a weekend of through hiking or high alpine camping to provide yourself with warmth and comfort when then temperatures drop and the weather gets bad. These pants are equipped with a Ultralight 2L overlay that keeps precipitation off of you and the durable Pertex Quantum material that makes up the rest of the pants. Inside of this hard working exterior the ProDown insulation keeps things lightweight and warm by retaining its loft when wet.