The 30L Travel Bag is the perfect go-anywhere, do-anything bag. It is made with durable, water-resistant materials and zippers. The patented strap system allows you to go from duffel to backpack carry for those times when you need more flexibility. The shoe compartment has a ventilated door with a water-resistant flap, allowing you to choose if you want to keep water out or allow for ventilation. Over 20 features make our 30L bag the perfect choice for everything from a day at the gym to a weekend vacation.