An Ultralight Hoodie with the Perfect Combo of UV Protection and Breathability The Echo is made from lightweight and breathable fabric infused with UPF 15 sun protection and ActiveFresh™ odor control technology, protecting from UV rays and perfect for extended trips into the backcountry. AirVent™ technology delivers superb airflow and moisture management during extra warm days on trail, and the flat-seam construction and reflective logo ensure next-to-skin comfort for layering and add visibility in low-light conditions. Thumb holes near the sleeve cuffs keeps the sleeves where you want them while adding layers or reaching for the next hold. Truly an all-around essential and perennial OR customer favorite, the Echo Hoodie is a do-it-all piece base layer for 4-season use in any environment