This tire expands and contracts in the rain for additional grip. There are hexagon panels in the Hankook Hexonic tire that slide and reveal grooves for added tread.
It was designed for cars with seven indoor sensors to monitor the road and adjust to temperature and surface conditions.
Hanhook also developed a race car tire that is stuck in the air and provides extra downforce. These tires are still conceptual, but it’s not far away from the future of transport.