Introducing Advanced Mountain Kit. The most sophisticated alpine climbing system The North Face has ever created. A specialist series, AMK incorporates apparel, accessories, and equipment. Collaborating with elite athletes, designers, and innovators, the collection redefines high mountain performance. Rethinking the needs of the world\'s best, Advanced Mountain Kit enables alpinists to push the limits of their potential.The AMK L2 Pullover introduces lightweight warmth into the layering system. Made with TNF\'s FutureFleece technology, the high-loft fabric achieves optimal thermal performance. Clever details include a stretch-knit buff integrated into the hood. Use when conditions deteriorate to increase protection around the face. For balance, a front half zip lets you vent fast in moments of exertion.