Petr Cech is leaving nothing to chance as he prepares for the biggest game of his life.
"It's been scientifically proven that you shoot at targets when you see one," Cech told The Times. "Even when a player wants to shoot into the bottom corner, they see the orange shirt and they can't ignore the colour because it's attractive to their eyes. It happens quickly and subconsciously, but eyes cannot ignore such a bright colour.
"The studies say the colour is like an alarm or alert which spreads and is very difficult to avoid," Cech continued. "I found this out from a Russian guy working at Sparta Prague when I was there four years ago. He showed me all his studies and I was very impressed."
So impressed that Cech is planning on wearing his garish ensemble - the top is complemented by matching orange shorts - at the Luzhniki Stadium when he comes up against Ronaldo and Wayne Rooney.