This Kyanite Lightweight Jacket is a stretch fleece insulating layer from Arc'teryx with superb next-to-skin comfort. Great as a standalone layer or underneath a waterproof hardshell rain jacket. Features include a low-profile hood, full length front zipper with chin guard, zippered hand warmer pockets, and articulated patterning. Soft, warm, and extremely comfortable. This will be the most comfortable lightweight fleece jacket that you own.