Michael Costello x REVOLVE Kalina Side Button Pant in Taupe. – size M (also in XL) Michael Costello x REVOLVE Kalina Side Button Pant in Taupe. – size M (also in XL) 45% poly 32% nylon 17% acrylic 6% merino wool. Dry clean only. Elasticized waistband. Adjustable side button detail. Midweight knit fabric. Item not sold as a set. 20 at the knee breaks to 28 at the leg opening. Imported. MELR-WP37. MCP46 S21. A specialist in statement gowns, Michael Costello has dressed the likes of Beyonce, Cardi B, Kim Kardashian, and Lady Gaga. He became a household name in 2010 after appearing on Project Runway, and has since established himself as a designer of sexy show-stoppers. Think draped, jewel-toned fabrics alongside curve-flattering silhouettes with high slits and open backs. Guided by the principle that everyone should feel confident when they dress, Michael Costello is meant to be worn by women of all shapes and sizes. It is the ideal label for those nights that call for something striking and unapologetic to strut, spin, and sashay in.