With the award winning Bio Flex back system, the Berghaus C7 1 Series 65+10L Rucksack will move with your body to provide excellent freedom of movement & allow you to bend, twist & pivot when hiking, walking or backpacking. The spacious 65+10L capacity that is featured to this Berghaus rucksack comprises of a large main compartment which is great for your clothing, equipment & other essentials, & a zipped front pocket & lid pocket which will keep smaller possessions organised & your valuables safe & secure. Should you require additional storage space, the rucksack features 2 side expansion pockets each with a 5 litre capacity. To keep you comfortable when carrying the rucksack, the Berghaus C7 1 Series Rucksack features EVAbreathe technology which allows air to circulate between the pack & your back to reduce sweat & increase airflow to keep you cool. Additional comfort is provided whilst wearing the pack by a height adjustable chest harness. Guaranteeing a perfect fit, Bio Flex back system featured to the rucksack is height adjustable to fit a range of heights & adjust to the weight of the load you are carrying. For easy adjustment, the rucksack features a one ratchet adjustment that can be quickly adjusted or released at just the push of a button, ideal for adjusting the rucksack on the go. Should you be carrying a walking pole or any tools on your walk, the C7 1 Series Rucksack means that you can keep them close to hand with a walking pole holder, base compartment with bivi divider & attachment points to the lid. Designed for all weather conditions, the Berghaus C7 1 Series 65+10L Rucksack features a tough, durable fabric construction with dry fusion technology for water resistance & an integrated rain cover. Allowing you to grab a drink quickly & easily whilst on the move, the Berghaus C7 1 Series 65+10L Rucksack features a hydration system compatible design.