Ralph Ralph Lauren Blue Label Women‘s Wide Leg Pants Black Lining 100% Silk Sz 4. The ultimate expression of timelessness and fine Italian design, this iteration of the versatile wide leg pant is composed of polyester on top that’s specially washed for an elevated sheen and a luxurious drape, complete lining is 100% silk. This wide leg pant style is cut for an ultrafeminine palazzo silhouette.