Soft Knit Fabric: Designed with ultra-soft knit fabric, these shorts offer superior comfort and flexibility for all-day wear Adjustable Drawstring Waist: Achieve a perfect fit every time with the adjustable drawstring waistband, offering added comfort and support during any activity Breathable Performance: Engineered for breathability, these shorts help keep you cool and comfortable even during the most intense activities The Reebok Viper 2.0 Men's Shorts feature ultra-soft knit fabric, an adjustable drawstring waistband for a perfect fit, and are engineered for breathability to keep you comfortable during any activity.