INSTINCT TRAILAmbition 4.5L - Trail running backpack

On steep mountain trails or country paths, the Ambition 4.5L by Instinct proves to be the ideal companion for trail runners seeking lightness and efficiency. This minimalist trail running backpack combines performance with comfort, offering a perfect balance between accessibility and functionality. With a well-thought-out capacity of 4.5 liters, it is designed to accompany you from 10 to 70 km without ever weighing down your stride.

The magic lies in its smart storage: immediate access to your hydration and poles, as if by magic, thanks to its high positioning on the back. The movable chest straps and elastic lacing system adapt the bag to your body shape, offering unwavering stability. And what about its honeycomb mesh vest? Lightweight and ultra-ventilated, it keeps you dry while ensuring flawless durability. Carry your essentials: drinks, nutrition, waterproof clothing, phone, and even your headlamp. With the Ambition, the only thing you'll leave behind are your limits.

• 2 hydration pockets of 650ml + self-locking elastic compression cord. Ideal high position for hydration without removing the container!

• 2 supply pockets of 500ml + internal elastic cord. Large storage volume and perfect accessibility. (right: +1 zippered pocket // left: +1 over-pocket)

• 1 shoulder pocket of 100ml + internal rigid cord + emergency whistle + rear pole holder elastic: for essential safety, comfort & care...

• 1 high horizontal pocket of 700ml + self-locking elastic compression cord. Access your rain jacket without removing the bag at the first drops!

• 1 low horizontal pocket of 700ml. Central access to your safety kit, headlamp(s), gloves, arm warmers, etc.

• Multiple pole holder solutions. At the front: vertically right & left // At the back: horizontally.

• 2 movable chest straps with clips mounted on 20cm sliders: customizable adjustments in height, width, and angle.

• 2 self-locking "double S" elastic laces. Lateral adjustments & settings during the run.

• 1 self-locking elastic compression cord for the high back pocket.