... Bosilun is better than other fiber;2, Blending with wool, burning the yarn, and it can be no caking ... when the proportion of the wool less than 28%, as we all know than acrylic ... blending with the wool, if there is caking, the proportion of the wool must less than 18%;3, ... and this is very similar to the scaly surface of wool fiber, it also has the function of absorb sweat ...