There is a funny video out there of someone spit testing with a snorkel on :)) I think it is an Aussie production LOL. I suggested rain gear because yellow and green are so festive together.... ha-ha.
Yes, alpacas produce one of the finest natural fibers in the world, 22 natural colors, very, very soft. And we shear them every year, once per year. I send out my fleece to get it processed into yarn and my mother in law crochets it for us. Above here are pictures of some of the wonderful things she makes. Not me, give me a crochet needle and I will poke my eye out with it.