Slip this lightweight, slim-fitting vest on over your jacket or long sleeve for chilly outdoor runs. The high neck and 800-fill-power goose down keep you warm while the water-resistant fabric helps keep you dry. glyde Glyde fabric is wind-resistant and water-repellent wind-resistant water-repellent 100% of our down is certified to the Responsible Down Standard (RDS) by Control Union (No. 847515) features Designed for: On the Move Shine-bright : Reflective detail helps keep you on the radar in low light Mobility: Stretch side panels let you twist and turn Secure storage: Secure pockets for your essentials and a media pocket that lets you keep your tunes close