On its own, or as a midlayer, the Maeven Hoody delivers the lightweight warmth, moisture wicking properties and stretch performance of PolartecR Power StretchR Pro. The fabric s polyesternylon blend quickly moves moisture and offers superior air permeability. Elastane is woven in to provide exceptional stretch. The Athletic fit is streamlined, but allows room for light layers, and articulated patterning assures ergonomic freedom. Features: Moisture wicking Breathable Lightweight Low profile Compressible and packable Durable Quick drying Flatlocked seams lie flat for added comfort Four way stretch textile Anatomical shaping for fit and comfort Gusseted underarms Adjustable hood drawcords Lined hood Full front zip Micro webbing zipper pulls Two hand pockets with zippers Athletic Fit, Hip Length Weight: 435 g 15.3 oz Activity: SkiSnowboard Backcountry Skiing Materials: PolartecR Power StretchR Pro 53% polyester, 38% nylon, 9% spandex, 241 gm . A four way stretch fabric that allows for excellent athletic movement and good breathability to maintain comfort.