You want to limit yourself only to the most necessary? Then we recommend the "Bozer Neck Pouch" from The North Face. With its slim design, it is perfect for city tours. In a main compartment is exactly the space for cell phone, cards and keys. Just exactly the most important things.

Material: 100% Polyester
Dimensions: (height x width x depth): approx. 19 x 15 x 1,5 cm