This fantastic rucksack from Berghaus incorporates innovative BioFlex® technology, which allows the bag to flex and pivot as your body does, making carrying it even more comfortable. What’s more, EVABreathe® foam keeps you comfortable, even in the rain, allowing your skin to breathe. It includes all the features you’d expect from a top-notch rucksack, such as an aluminium frame and adjustable back system, making this an outstanding quality buy.