Whether you are headed to the gym, or a weekend trip, the 45L Fitness bag is a multi-functional powerhouse. Every feature was designed and implemented with versatility in mind ensuring that it can be used as the perfect gym bag or ensuring you can all your essentials for the travel trip that you have planned. It's over engineered to meet any and every situation you may need it for. Between the Anti crush valuable pocket, Stowable Glorytex Changing Mat, multiple carry methods (duffle /backpack) and air-venting system, this duffle bag cum backpack is prepared for More.