98% cotton 2% elastane. 15"" in the knee narrows to 12"" at the leg opening. Front slant pockets. Faux back welt pockets. SIWY-WP28. W887ATB. Launched in Spring 2005 in downtown New York City, Siwy offers the ultimate denim collection: vintage-inspired, sexy, fashion-forward designs with perfected finish, detail, and fit. Siwys superlative, modern tailoring creates the ultimate figure-flattering fit with unparalleled comfort. Siwy has become a favorite amongst style icons including Kate Moss, Sienna Miller, Nicole Richie, Selma Blair, and Rachel Bilson.