Men’s pajamas Cotton blend Machine wash Imported Easy does it. Slip into something more comfortable with this effortless one-piece step-in, part of the Aero loungewear collection from Body Tech. A classic look with exceptional comfort, this one-piece Body Tech step-in offers a roomy fit with deep armholes and a ribbed button placket. Made from a lightweight cotton-blend knit, this sleeveless step-in from Body Tech exudes relaxed style. You’ll never want to wear anything else!