This t-shirt sports all of the essentials you already love about the Echo Collection from Outdoor Research, and new upgrades make this the best tee for extreme heat and layering spring through fall. Better stretch and an improved fit let the garment move with you, a more durable and softer hand feel increase comfort and longevity, and eco-friendly mesh fabric featuring AirVent moisture management keeps you dry and sweat-free. Get more without the weight when you try the new Echo T-Shirt. Made with 100% recycled materials to support a more sustainable textile process A UPF rating of 15 for the color pebble and a UPF rating of 20 for all other colors Winter 2023/24 product Equipped With AirVent AirVent is the fabric technology you'll want on hot, humid days when ventilation is key and slowing down isn't an option. The lightweight, ultra-fine yarns used in AirVent fabrics use an open texture mesh design to provide superb airflow and breathability for high-exertion endeavors. The wicking qualities of each AirVent piece pulls perspiration away from the skin as you sweat for outstanding moisture management that dries quickly without sacrificing durability. ActiveFresh ActiveFresh provides active odor control that eliminates bad smells with long-lasting, durable freshness and doesn’t jeopardize fabric’s breathability or softness. ActiveFresh is made from bio-based, silver-free technology that inhibits environmental odors, food-related body odors, and bacterial odors by actively preventing the buildup of bad smells during high-exertion sports.