The Compass hydration pack features a 2L reservoir with a tube to make it easy to drink as you pedal. This handy hydration pack also comes with a zipped main storage compartment, an alloy mini pump, a rear clip-on LED light complete with batteries and reflective detailing to ensure visibility in all riding conditions. It\'s also equipped with a puncture repair kit with tyre levers for emergencies.2 litre reservoir bladderContoured Airflow back packPadded adjustable shoulder StrapsChest StrapsSeparate bladder compartmentZipped storage pocketDraw String Bungee cord - to hold extra clothingMesh outer pocket - for phone and energy snacksRear Light attaches to its built in holderHigh Pressure mini pump and its own built in holderPuncture repair kit with 3 tyre levers