Boots of Speed
Wondrous Item,
Rare
(requires attunement; cost 3000 gp)
Crafting Components
Soles of the shoes worn by the winner of a prestigious race
While wearing these boots, you can use a bonus action to click the heels together. You double your base Speed, and opportunity attacks made against you have disadvantage . You can end the effect as a bonus action.
Once the boots have been used in this way for a total of 10 minutes (each use expends a minimum of 1 minute), they cease to function until you finish a long rest .
Source