Each can be worn over or under armor, and they all grant a +8 bonus to diplomacy checks with hyrulians.
Cacto Clothes are covered in sharp spikes. Grant +1 natural armor and anyone hitting the wearer in melee will take 1d4 damage. The spikes also grant the wielder a Spike natural attack dealing 1d4 damage. Can move normally through hard terrain based on sand.
Kokiri Clothes grant a +4 competence bonus on move silently and hide checks and a +2 competence bonus on ranged attacks. Can move normally through hard terran created by vegetation.
Timeless Tunic grants immunity to Fear and Poison, doubles carrying capacity, can pick up items from the ground as a free action without provoking attacks of opportunity.
Sprite Suit comes with 3 balloons that grant a +4 Competence bonus to Spot checks and a 30 feet flight speed with average maneuverability. Any amount of damage makes one of the balloons pop, reducing the flight speed by 10 feet and the maneuverabiliy by one step. Each balloon can be repaired with 1 minute of work.
Zora costume grants a swim speed of 30 feet, can breathe and act normally underwater, +4 Competence bonus to Listen checks.