DetailCalvin Klein Underwear Pure Ribbed Legging in Black. - size L (also in M, S, XS) Calvin Klein Underwear Pure Ribbed Legging in Black. - size L (also in M, S, XS) 96% modal 4% elastane. Made in Sri Lanka. Elastic waistband with logo detail. Soft, rib jersey fabric. Item not sold as a set. CKUD-WP9. QS6686. One of the most recognizable designer names in the world, Calvin Klein exudes signature sensuality and sexuality through classic styles and minimalist designs.