Mammut Apparel Size Chart Thanks to its stretch properties, the Alnasca T-Shirt Women has been designed to withstand harsh trials on the mountain. As well as making the fabric stretchable, the combination of wool and synthetic materials also gives it a pleasantly soft and comfortable feel on your skin. Wool's natural antibacterial effect helps to prevent unpleasant odors, even after a strenuous day. The Alnasca T-Shirt is so light, you will barely notice you're wearing it, leaving you free to concentrate completely on your climbing. Features: - Soft, stretchy fabric - Natural, antibacterial effect of wool keeps unpleasant odors at bay, even after long days - Weight: 110 g - 48% Wool (Merino), 4% Polyurethane, 48% Polyester - Last Chance: Discontinued Style - Only available to ship within the USA