Description The Montane Men’s Featherlite Nano Windproof Jacket is a true ultralight layer that delivers breathable, packable protection from biting winds, but is 48% lighter than the Featherlite Windproof Jacket. The 100% recycled Ultralight Pertex Quantum outer is loaded with a PFC-free DWR coating and ripstop design making it mountain-durable for fast and light adventures, while weighing just 52g. Full-Length Zip Lightweight YYK full-length zip for ultimate adjustability. Collar Packable Packs down into its own protective collar. Cinched Hem Designed to protect through the wind. Reflective Print Stylish reflective prints on the back and chest improve safety. Ultralight Windproof 100% recycled Ultralight Pertex Quantum fabric, 52g (size Medium) Materials 100% Recycled Nylon Suitable for Ultrarunning, Hiking, Climbing, Trekking, Fastpacking