The unit conversion from gsm to ounces is a common conversion in the clothing industry. Gsm means “grams per square meter,” which is a metric measurement of areal (related to area) density. Converting from metric to imperial units is a common need, and converting the areal density to ounces usually means using an imperial unit for the denominator unit as well, usually square yards. To perform this conversion, it helps to know that there are 28.35 grams per ounce and 0.9144 meters per yard.
A cardigan sweater opens at the front, like a coat or jacket, and closes with buttons or a zipper rather than being pulled over the head as a jersey-style sweater is. Cardigans vary from the cheerful and sophisticated jackets favored by Michelle Obama to the gray and homely sweater Mr. Rogers stowed in his entry closet. Cardigan sportswear is emblematic of a casual lifestyle and unpretentious modernity. A form of meticulous single-strand handwork for socks or caps dates thousands of years, but items as large as full legging woolen stockings were not produced until the 1500s, when blacksmiths had new…