And generous in use. Knitting up one Alpaca sweater will cost you less than you think, and yet you still will be at the forefront of fashion. ggh Cumba will show you how a fiber - the alpaca fiber - can be interpreted in a completely new light. By its very nature the alpaca fiber is very smooth and the yarn does not have much volume. This characteristic makes it too heavy for modern sweaters. However, this is something we did not want to accept and so developed this fiber, resulting in a soft, voluminous yarn.