The blackfell 35 litre rucksack from regatta is a generous sized day sack that includes its own hydration pouch making it ideal for all day hiking and rambling it features ventilating mesh back panels supported with a steel suspension frame for comfort in wear without compromising on mobility the chest harness hip belt and straps can all be adjusted for a secure fit during more agile parts of your climb the hydration unit securely zips away and the drinking tube feeds through a retainer for easy