Coros has launched a new rugged sports watch, with extra long battery life for multi-day adventures in tough conditions. The Coros Vertix 2S is a successor to the Vertix 2, which was released in 2021 and has long held a place in our roundup of the best GPS watches.
The Vertix 2S, which is a rival to devices like last year's Garmin Instinct 2X, boasts a new optical heart rate monitor, with five LEDs and four photodetectors to more accurately detect changes.
