Wearing all Set pieces won't grant any additional effects but will change the complete character's appearance. Armor Sets provide players with protection and resistances against all types of damage. Kestrel Armor grants + 30% Melee Damage, + 5% Headshot Damage, + 11% Weapon Damage, + 25% Shield Strength, + 5% Spare Heavy Weapon Ammo Capacity and can only be used by Commander Shepard. Kestrel Armor is an Armor Set in Mass Effect 2.