Terrarites have a lot of neat
accessories to help them scout their world, but one of the highly coveted ones is the Rocket Boots. These boots grant the wearer with the ability to ascend into the sky with great speed. It's like having your very own private rocket propulsion system strapped to your feet! Wearing the rocket boots enables players to arrive at previously untouchable heights, making exploration more manageable. With these boots, Terraria becomes a true vertical adventure!
Boots Official Terraria Wiki