Ultralight performance. UPF 15 sun protection. Superb airflow, breathability, and moisture management delivered by AirVent™.
Outdoor Research proprietary Echo Fabric is the all-time best-selling choice for ultralight protection during high-exertion activities in heat. Each Echo product is infused with UPF 15 sun protection to fight off dangerous UV rays, and ActiveFresh™ odor control technology to repel bad smells. The magic ingredient of Echo is its AirVent™ technology: An open texture mesh design that provides superb airflow and breathability. AirVent pulls perspiration away from the skin as you sweat for outstanding moisture management that dries quickly without sacrificing durability.