F1's ultrasoft tyre will turn pink at this weekend's United States GP as Pirelli play their part in the sport's support for breast cancer awareness.
Aspects of the Circuit of the Americas, including sections of the pit lane and track, are being painted pink as F1 supports the Texas-based Susan G Komen organisation, with the US race weekend coinciding with Breast Cancer Awareness Month around the world.
And Pirelli have announced they will be using a pink stripe on their ultrasoft tyres this weekend instead of the normal purple markings.
It will be the first time the ultrasoft will have been used at the Circuit of the Americas.
The other two tyre compounds in use in Austin, the supersoft and soft, will be painted in their usual respective red and yellow colours.
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