Ideal for warm-weather running, climbing, or other aerobic pursuits, the Outdoor Research Men's Echo T-Shirt helps to protect you from the sun while wicking moisture and combating odor. The durable mesh fabric has a soft feel, so you stay comfortable whatever the temperature.The shirt is constructed of bluesign-approved recycled polyester. The highly-breathable fabric effectively wicks away sweat and dries quickly if does become wet. It offers UPF sun protection and has an ActiveFresh treatment that helps to reduce odor. Flat seam construction enhances comfort and fit.Available in your choice of size and color options, the Outdoor Research Men's Echo T-Shirt has a trim fit that anticipates it being worn next-to-skin while allowing you to comfortably layer over top of it.