Let off some steam in this water-repellent ear warmer made from brushed fleece fabric to help keep you warm during cold weather runs. water-repellent tech fleece Four-way stretch, breathable tech fleece fabric is DWR-treated to protect you from the elements. Four-way stretch breathable water-repellent features Designed for: Run Set-my-ponytail-free™ window: Lets you wear your hood up with a ponytail Shine-bright : Reflective detail helps keep you on the radar in low light