The Evolution Shirt is designed for movement and comfort. Made with eucalyptus lyocell, this shirt has a stretch and a strength to it so you can move easily. It’s made for hiking mountains so it will go the distance. And the organic cotton and bamboo blend mean it is breathable and soft, absorbing moisture so you stay comfortable. Practical features include a chest zip pocket so you can keep essentials near to hand.. . Supersoft with a little stretch. Made for movement. Moisture managing and breathable