The material 65% Cotton 30% Polyester 5% Spandex. ELASTIC WAISTBAND & INNER DRAWCORD: Featured elastic can perfect suit your waist. Inner drawstring ensures Shorts dont sliding down when Running, which makes you can do the exercises without sorrow and anxiety. UPDATED HIGH QUALITY MATERIAL: Made of cotton and polyester, which is different from similar Mens Shorts of cheap material on the market; Soft and comfortable fabric & Elastic waistband drawstring can be adjusted for different waist, perfect for those deep squats. OCCASION: The Mens Shorts perfect fit for house lounge shorts or sleepwear clothing ,and aslo perfect fit for workout, gym, running, fitness, training, basketball, jogging, exercise, cycling or other outdoor activities etc.