The material of the Tree Shirt, as the name suggests, comes from trees! Made from Tencel Lyocell fiber, this wood-based fabric feels amazingly soft and performs well in outdoor conditions. This long-sleeved shirt protects your body and arms from cool winds as well as from the sun. A great choice for both relaxed and active everyday wear, as well as for traveling. - Regular fit - EU Ecolabel-certified fabric - Chest pocket - Fabric made in Taiwan, shirt sewn in Portugal The second model wearing the dark green shirt is 182 cm tall, while the first model in the black shirt is 186 cm tallboth are wearing size L. Houdini considers the entire lifecycle of each product. When this shirt reaches the end of its lifespan, it poses no waste problem, as the material is biodegradable. Houdini even accepts worn-out garments from customers for recyclingbut that day is still far in the future for this shirt!