We are offering here the mens stretchable jeans that are a style of denim pant composed of cotton and spandex, which is a type of synthetic, elastic fiber. Jeans that contain a little bit of stretchy material look like regular jeans, but they stretch with the wearer's movements. Stretch jeans are a style of jeans made of stretch denim fabric. Stretch denim is a relatively new type of denim cotton (or cotton/polyester blend) that incorporates a small amount of elastane, a stretchy, synthetic fiber. Mens stretchable jeans are stylish.