Ultimate Direction Fastpack 20

Quick tour of the UD Fastpack 20 running pack.
Has about 24 litres of storage but can be compacted down if you carry less. Weighs 600 grams empty. Good for expedition/winter runs when you need to carry a bit more gear (and weight!). Also a great hiking pack.
Loads of practical storage options on the front. Front bottle holders are secure. Really useful side pockets for poles or extra bottles. Pole options on the front as well. Big kangaroo pouch on the back. Bladder pouch inside. Useful side access zip for main compartment. Roll Top entry as well, which enables expansion of pack to maximum size. Great build quality. UD also make in 30 and 40 litre versions.