The Whoop 5.0 is a fitness band you wear on your wrist, while the Oura Ring 4 is a smart ring for your finger. This obvious difference makes the Whoop 5.0 easier to buy, as there’s no sizing required.

The former F1 engineer and strategist from Co Fermanagh is garnering new fans as a Sky Sports analyst, and advised on Brad Pitt and Kerry Condon’s upcoming film ...