The Women's Xenon X Hoodie is a light-weight, PrimaLoft® synthetic insulated jacket, designed for fast-and-light alpine activities, when weight is a prime concern. Using a light-weight Pertex® Quantum fabric, the Women's Xenon X Hoodie offers an excellent warmth-to-weight ratio, with 60g/㎡ (UK 12) of the highest quality PrimaLoft® Gold insulation. Key features include an over or under-helmet Lycra® bound hood, YKK zipped pockets throughout, and a slim fit to enable layers to be added comfortably. The Women's Xenon X Hoodie also packs away extremely small and includes an integrated stuff sack, making it easy to store away in your pack until needed. FIT NOTES (Slim Fit) This piece is designed with a slim fit for increased comfort when wearing underneath a larger outer layer. A slim design also compliments use with a harness.