Breathable, soft on the skin, and stretchy, the Syncrino Base LS Tee is the perfect first layer for climbing mountains in cold temperatures. Odour resistant and fast drying, ita (TM)s perfect for multiday adventures too. Our lightweight Syncrino 125 fabric is made from a blend of Merino wool and 32% recycled synthetic fibres. Merino wool is ideal for cold weather baselayers. It&';s ability to absorb water makes it excellent at wicking sweat away from the skin, maintaining comfort, and regulating body temperature. It&';s also a great insulator, even when it&';s wet, although it can take a while to dry. The man-made synthetic fibres are strong, durable, lightweight, and hold their shape well. They can also dry extremely quickly. By blending these yarns, we have created a quick-drying, fast-wicking, insulating, and durable material that&';s ideal for mountain baselayers. The Specifics Fit:Slim Weight:130g/4.6ox (size 10) Product Code:QBL-33 Lightweight S-125 Merino/Polyester blend fabric Single jersey fabric construction Set in sleeves Low bulk Merrow seams for comfort 53% Polyester (32% recycled), 47% Merino Wool Main Fabric: Syncrino 125 Merino/Polyester Blend (52% recycled polyester/47% merino) (125gsm) Centre back length (Size 10): 67cm / 26.4inch