Mohair is the long silky hair of the Angora goat. It is a strong and durable fiber that takes brilliant color dyes well. And it makes wonderfully warm and fuzzy sweaters, as seen in these examples from 1963.
Snow white pullover with V-neckline and cable stitching at the center front. Hand knit in Italy by Blairmoor Knitwear. Sold in 1963 for $18 (about $125 in today's dollar).
A turquoise cardigan banded in brown and honey beige, hand knit in Italy by Famelia. Sold in 1963 for $18 (about $125 in today's dollar).
Beige vest edged in white by Darlene Knitwear. Worn with a white blouse and white pants. Sold in 1963 for $11 (about $77 in today's dollar).
3 piece pink suit consisting of a sleeveless shell, a cardigan, and a pencil skirt, all by Jane Irwill. Sold in 1963 for $36 (about $251 in today's dollar).
And my favorite, a brown bateau necked sweater with black and white animal spots. The 3/4 sleeves are bell shaped. Hand knit in Italy by Famelia. Sold in 1963 for $25 (about $174 in today's dollar).