Pirelli has revealed they could introduce a fifth type of tyre next season that will be suited to street tracks.
The Italian company currently has four types of rubber – hard, medium, soft and supersoft – available to Formula 1 teams for dry races.
Following complaints from drivers that the supersofts were still not good enough for the unique demands of circuits like Monaco and Canada, Pirelli made some tweaks for this year's race.
The upgraded supersofts were meant to provide more even contact with the track surface, improving adhesion and handling, but drivers still struggled to get heat into the rubber in the cooler conditions.
Pirelli, though, is listening to the concerns and motorsport director Paul Hembery says they could introduce a super supersoft tyre for the 2016 season.
"We're still hoping to develop some ideas where we can address, certainly, the harder tyre, which is in need of a modification, and a product that can be used on the true street circuits," he said.
"Maybe four circuits – Canada, Monaco, Singapore for example – where you need a much softer tyre than what we currently have with the supersoft."