With the Basil Navigator Waterproof, you can elevate your sporting ambitions. The bag is 100% waterproof (IPX 3) and has a volume of 25 to 31 liters, making it ideal for on-the-go use. It is made from a combination of tarpaulin and 600D polyester and features a removable and adjustable shoulder strap. Want to set down your helmet or wet rain jacket? There is a reflective rubber band on the front of the bag. You close the bag with a roll closure, which can be rolled in two ways: towards the back of the bag or on top of it. You can use the click closures flexibly, allowing you to do what you love most. The bike bag attaches to your bicycle using the Basil Hook On System. You can additionally secure the bag to the bike frame with the adjustable hook at the bottom of the bag. Closure system: 2 buckles for securing the bag.