The sporty bag is waterproof and has many practical features. The bag has two waterproof, foldable side pockets. The top compartment can also be expanded. This way, the volume can be increased from 9 liters to up to 36 liters. Additionally, the bag has an insulating compartment for a drink bottle and has extra dividers, which allow you to partition the main compartment. To keep food and drinks cool, there are two compartments where cooling elements can be placed.