Features Nylon shell over upper chest and shoulders has a durable water repellent (DWR) finish that blocks wind and sheds light rain Light stretch insulation provides light technical warmth built for movement Fleece-backed stretch polyester across back and under arms provides high level of mobility Zippered hand pockets and sleeve pocket securely store essentials Refective details on front and back aid in visibility Thumbholes hold sleeves in place while running Underarm sleeve gusset improves mobility Designed with input from the field and tested while running, hiking, cycling and climbing in various weather conditions in Alaska, New Zealand, Australia and Argentina Imported.