- Women's black viscose, polyester and metallic fiber knit sweater - V-neck, long sleeves, dropped armholes - Chains-and-fur decor at neckline - 1x1 ribbing at collar, cuffs and hem - Loose fit The undisputed trump card of the jewel neckline? Dressing up the décolleté with crazy chic. Paired with a subtly shiny lurex sweater, it's a master of allure, whatever the occasion.