Add heavy cream and powdered sugar to a cold bowl. Whip until it just holds shape.
Add ice to a tall glass. Add 2 pumps of Irish cream syrup.
Pour cold brew 3/4 of the way.
Top with cream. Sprinkle with cocoa powder.
To Make Irish Cream Syrup:
Bring sugar and water to a boil. Remove from heat and add vanilla, almond extract, and cocoa powder. Whisk until combined. Pour into a bottle and store in the fridge.