While you wear these boots, your steps make no sound, regardless of the surface you are moving across. You also have advantage on Dexterity (Stealth) checks that rely on moving silently.
Boots of Elvenkind in the 2024 rules
The 2024 Dungeon Master’s Guide revised the magic items, and the SRD 5.2 carries the new text. What changed:
Same rarity and attunement; the text is reworded for the 2024 rules glossary.
Type
Wondrous Item
Rarity
Uncommon
Attunement
Not required
While you wear these boots, your steps make no sound, regardless of the surface you are moving across. You also have Advantage on Dexterity (Stealth) checks.