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.Protecting at high altitudes, the AMK L5 Pant excels in extreme conditions. Made with TNF\'s revolutionary FUTUReLIGHT, it blocks the elements without compromising breathability. The face fabric has added elastane for mechanical stretch, enabling fluid climbing movement. Spectra reinforcements on the knees increase durability.