The camelbak cloud walker 18 hydration backpack is ideal for hikes and less technical adventures and offers 20 more water per sip thanks to an included crux reservoir with a capacity of 25 litres and an ergonomic handle for easy refilling to maximize comfort and breathability there is an air mesh back panel and for attaching trekking poles the rucksack has external attachment points it features 5 exterior pockets for your gear gels and energy snacks and the carry options include a carry