With a smaller and lighter design that makes it perfect for shorter training runs and races up to half marathon, the Inov-8 Racepac 4 in Black can carry a 4-litres of hydration and kit combined, including a 2-litre hydration pack and two 500ml soft flasks in the front pockets.

The Inov-8 Racepac 4 is designed to mould to you body for a zero-bounce design, and a fit that can be adjusted on the fly across the side compression, and chest straps.

For easy access, three pockets are found on the front, including one zipped pocket that is ideal for your phone. The same pocket features a bungee cord for your keys and an emergency whistle.