The Coefficient Storm jacket is the ideal do-it-all, cool-weather stretch piece. Product Details For breathable warmth and wind resistance on cold days in the alpine, the Coefficient Storm jacket is the ideal do-it-all, cool-weather stretch piece. This jacket is built with a grid back that provides additional warmth and breathability, plus a wind and water resistant coating that adds some midlayer warmth and abrasion resistance. Features a single chest pocket and two hand pockets, the Coefficient Storm also can pack into its front hand pocket when the sun hits. Product Features Gridded interior PFC-Free DWR finish for water resistance Stretch fabric provides freedom of movement Zip chest pocket Two hand pockets Weight: 295 g Fit: Regular Technology PFC Free DWRBlack Diamond's durable water repellent (DWR) treatment doesn’t use PFCs, also known as PFAS, so you can stay dry without the use of “forever chemicals". Practical Lifetime Warranty All Black Diamond softgoods are warranted against defects in materials and construction for the practical lifetime of the product. Sustainability Bluesign Approved MaterialMaterials approved by Bluesign have undergone strict production criteria from the raw materials to the end product to ensure they follow standards that are responsible and sustainable with regard to people, the environment and resources. With Bluesign approved materials, users can be assured that their products were manufactured with responsibly use of resources and the lowest possible impact on people and the environment. Tech Specs Materials Size Range Weight Polyester Stretch Grid Back Woven Fleece (69% Recycled Polyester, 23% Polyester, 8% Elastane, 177gsm) XS-XL 295g