The salming runpack 3l hydration backpack is a great companion for the most epic adventures in the woods and has a reservoir for up to 3 litres of water solid durability is provided by 200d ripstop nylon fabric whereas a front zipped pocket is perfect for all the essentials this practical rucksack with a tube slot on the shoulder strap allows for carrying a helmet thanks to a front extendible bungee cord and offers maximum comfort and easy transportation due to 2 adjustable mesh backpack stra