Forget hydration bladders – Oakley's new running kit claims to cool your skin by up to 8°C during summer runs using Japanese fabric technology

SATISFY x OAKLEY CHAPTER VII Collection.

For most runners, the biggest challenge of summer is staying cool once the miles start piling up.

French performance running brand SATISFY thinks it has an answer, and it's teamed up with everyone's favourite throwback eyewear brand, Oakley, once again to put that technology to the test.