The Mammut Aenery Light ML Half Zip for Women is a year-round half zip, mid-layer pullover that is designed to keep you warm and dry. Flat seam construction ensures no chaffing in key high wear abrasion areas like your neck, underarms and shoulders. Its smooth outer material allows it to be worn over a performance wicking T-shirt or long sleeve shirt or as a next to skin layer depending on how you want to layer for any particular day in the mountains or around town. It’s made from a Polartec Power Grid material, which keeps you warm and is elastic and has a waffle structure pattern on the inside that efficiently transfers moisture away from your body and keeps you regulated so you don’t sweat. Its perfect for highly aerobic activities like cross-country skiing, ski touring, running or hiking. A half zipper also allows for great temperature regulation as well. The Mammut Aenery Light ML Half Zip is a versatile, mid-weight, mid-layer top that offers both excellent moisture wicking capabilities and warmth so you can be at your best so you can enjoy your aerobic activities no matter what mood Mother Nature is in.