Product Details The Echo Hoodie is our perennial best-seller, featuring bluesign®-approved recycled stretch materials and UPF 15 sun protection to create our customer-favorite ultralight, anti-odor, 4-season specialist base layer for active outdoor pursuits on trail or in town. The Echo Hoodie is built from bluesign®-approved and recycled materials and is perfect for everything from fall running and spring ski touring to summer hiking and winter base layers. The lightweight and breathable fabric is infused with UPF 15 sun protection and ActiveFresh™ odor control technology, and the AirVent™ technology provides superb airflow and moisture management. The Echo Hoodie features thumb holes, a reflective logo, quick-drying fabric, and flat-seam construction for a comfortable fit. Truly an all-arounder and an OR customer favorite, the Echo Hoodie is the do-it-all piece for 4-season use.