Meet the LifeBeam Visor: a smart wearable device that measures your heart rate and performance and does not require you to wear a chest-strap. It provides you with aerospace level heart rate, calories consumption, and cadence/steps measurement. You can connect it wirelessly to smartphones, sports watches, and cycling computers.
This smart visor is all weather compatible and hand washable. It can run for 15 hours. Sets you back $99 at this time.