- Ribbed Cotton, poly spun - Available in Ivory and Black The Hostess Pant is inspired by Gillian Anderson's 2001 Oscar Vanity Fair party attendance. It's all things late 90’s and early 2000’s. Using double-layered ribbed knit, this piece is as much comfort as it is style. Sizing: This piece runs true to size. Soap wears an XS. Fabric Care: Over 94% cotton, poly spun. Hand wash in cold or dry clean only.