40% recycled post consumer polyester, 60% polyester; part of our eco series which uses post consumer recycled (PCR) polyester fleece, made from recycled soda bottles and packaging containers; soft, breathable and wind2resistant; provides lightweight thermal retention;  includes an exhale heating system which allows you to inject a quick blast of warm air into your hand without removing your gloves ; patented Tech Touch pod on the index finger in order to run your iPod without removing your gloves embroidability