60/40 poly/post-consumer recycled (PCR) poly. Eco Series uses PCR polyester made from recycled soda bottles and packaging containers. Soft, breathable and wind-resistant. Lightweight heat retention in a low-loft construction. Includes an exhale heating system which allows you to inject a welcome rush of warm air onto your hands without removing your gloves. Patented Tec Touch pod on the index finger lets you use most personal audio devices or cell phones without removing your gloves.