More nonsense from Dimitry. Notice how the hair of the Angora goat is crinkly and looks nothing like the hair of the Cashmere goat. That's one of many reasons they behave nothing alike. No, it has nothing to do with weight, or how they're spun, or what they smell like, or whether you use them in a suit or sweater or bomber. You can weave or knit either fiber. In suiting, both are usually blends. Cashmere because it's expensive and offers marginal benefit, and in mohair because it's expensive, delicate, and crisp in a way that should be balanced with softer wools. Mohair knits are also almost always blends, partly because mohair can be itchy, and partly because nylon dramatically improves longevity. Mohair suiting can be good in the shoulder seasons or summer, and has a good sheen to it, which is why it's sometimes used in eveningwear or in casual suits. It can also burst after some time. This means it has poor longevity, making it a luxury choice, but for very different reasons tha...