The faithful bag of the famous traileur Anton Krupicka Ultimate Direction Ak Mountain 12 liters is a vest with a capacity of 12L with a minimal weight, it will accompany you during an Ultra as well as during your mountain outings. Equipped with many pockets on the front, the back pockets are also very easy to use. The pockets can hold rigid or flaccid water bottles. Two 500ml flasks are sold with the bag.

Test conditions

Test conducted during several trail rides on the slopes of Parmelan above Annecy, a faithful playground for traileurs who want to quickly gain altitude.

The Ultimate Direction Ak Mountain is a real vest bagthat accompanies us on each of our outings so that we can take water, a jacket, a phone, some snacks and 2-3 other things.

Advantages of the Ak Mountain Ultimate DirectionBag 12 litres

Its weight is only 330 grams

Volume: 12 litres

Very pleasant to carry, it is also equipped with a stick holder on the front of the straps in the vertical direction.

2 equipment loops (e.g. ice axes) on the back side

Side strap system for adjustment + 2 zipped pockets
Zipped phone pocket on front strap (Iphone 6S compatible)

During the effort the bag fits your body perfectly and after 2 hours of running you don't feel any irritation unlike some people.

For the hydration part you can either use the 2 flasks of 500 ml which are sold with practice for small outings. You can also use a 2 litre water bag. Next to the flasks small pockets for easy access to his snacks.