The Echo range is one of Outdoor Research's best selling series. Constructed from ultralight, super breathable and buttery soft fabric, this is designed as a next-to-skin active layer, whether you're adventuring in warm weather or layering in colder conditions. The Echo fabric features UPF 15 sun protection and ActiveFresh™ odour control, making it perfect for extended backcountry adventures. AirVent™ technology enhances airflow and moisture management, keeping you cool on warm trail days. The flat-seam construction and reflective logo provide comfort for layering and improve visibility in low-light conditions. Echo Tee Features Movement-mirroring stretch and raglan design for ease of movement UPF 15 sun protection ActiveFresh™ odour control keeps you feeling fresh AirVent™ technology for enhanced breathability and moisture management Flat-seam construction for next-to-skin comfort Reflective logo for added visibility in low light conditions Thumb holes near sleeve cuffs keeps the sleeves where you want them TECH SPECS Weight: 125g Fabric: 100% recycled polyester Sun protection: UPF 15 (light colours), UPF 20 (dark colours)