Assuming that Vaude named the Wizard 30+4 after the English word for wizard or sorcerer, there must be some truth to it. And indeed, there is a lot! The "+4" in the name of the Wizard 30+4 refers to the additional volume in liters that can be added to the base volume of 30 liters through a zipper that runs around the pack. The length of the shoulder straps is also adjustable, allowing for customization of the back length. These can be individually adjusted via a Velcro closure on the back panel from size S to XL. The mesh ventilation of the daypack works similarly. Depending on the need for ventilation and the desired pack volume, the back panel can be shaped accordingly—whether more ventilation or a close fit is preferred. This makes even a strenuous ascent a breeze. The front pocket of the backpack spans the entire area and provides additional storage space. The available storage is divided by a separate bottom compartment, allowing for organized gear. However, the daypack can also be used without separation, providing a larger main compartment. The rain cover is conveniently stored in a bottom compartment, but the material is water-repellent anyway, keeping out a few drops. Thus, the Wizard 30+4 from Vaude is a great companion for hikes, challenging summit tours, or even in everyday life and on longer trips as a supplement to a travel bag.