Embrace the winter chills with this cosy half zip sweater ideal for layering up on the trails or staying comfy around the house. This product was designed without any PFAS (Per- and Polyfluorinated Substances), also known as 'forever chemicals'. Instead, we use a DWR finish that allows your gear to repel water without harming the environment. Men's fleece jacket. A comfy throw on layer for chilly winter days.