FlexWool Sports Top has an optimal fit and comfort. Just like a well-known WoolNet construction, it has excellent ventilation and transports sweat from the body. The waistband has soft merino wool on the inside; wool dries quickly, but as is well known, warms even when wet. FlexWool is a very stretchy and comfortable material to wear, offering the best of two worlds: the wonderful qualities of merino wool and perfect fit. The wool material is knitted with 19.5 micron yarn, with a weight of 275 gsm and is mixed with 21% polyester for best durability and 5% elastane for a comfy stretch.