Unarmored Movement is a Monk feature gained at level 9 in D&D 5e. Starting at 2nd level, your speed increases by 10 feet while you are not wearing armor or wielding a shield.
Starting at 2nd level, your speed increases by 10 feet while you are not wearing armor or wielding a shield. This bonus increases when you reach certain monk levels, as shown in Table: The Monk.
At 9th level, you gain the ability to move along vertical surfaces and across liquids on your turn without falling during the move.