Outdoor Research Echo T-Shirt -- This t-shirt sports all of the essentials you already love about the Echo Collection, with upgrades that 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.