The new Black Diamond Jetforce Booster 35-liter fits with the new Jetforce Pro system. Jetforce booster allows you to increase or decrease the volume of your Jetforce Pro bag. 35-liter technically and it allows you to have outings for long days in the off-piste. It features a dedicated pocket for your avalanche equipment. The bag is spacious enough for you to have several layers of clothing, water bottle and other necessary gear with. The bag is ideal for long walks and is very suitable for travelers who usually several long days in the terrain, and therefore need additional outings.