You can access all your boats via the customization tool. You can change their colors and customize your sails with new logos.
In order to unlock a color and a logo, you need two things:
Enouch stickers to unlock the content you want
Reach the required level to access that content (the highest requirement is level 10).
For F50 boats, as a SailGP catamaran, you can customize the nationality of your boat in a choice of 6 nationalities :
- Great Britain
- United States