The men’s ANATOMICA Short Sleeve Crewe by Icebreaker offers versatile, breathable comfort in a soft, stretchy, and durable merino wool blend. Corespun fabric, which wraps strong nylon in merino fibers ups this shirt’s durability. Merino wool is left next to your skin, providing the best feel. Lycra stretch fabric allows the shirt to move effortlessly with your body. Flatlock seams eliminate chafing when you're on the move.