Oscar Piastri admits it's definitely "not for pleasure" but the McLaren ace swears by his 'bathroom sauna' method of acclimatising for what's set to be a torridly hot Austrian Grand Prix.
F1 chiefs have declared Sunday's race at Spielberg, taking place amid a European heatwave, fits their 'health hazard' criteria, with temperatures topping 31C forecast and teams required to fit a driver cooling system, like a liquid-cooled vest.
Though drivers can take a ballast penalty instead, Piastri shrugged on Thursday: "I think probably, yes, I will wear it. I used it a couple of times last year. There's obviously the risk if it goes wrong and if it fails, then it's worse than not wearing it.
