2017
Adds +2 to AC and +1 to Constitution (thus, depending on prior Constitution score, either 0/+1 to Fortitude saving throws and either 0/+1 to max HP per character level)
Adds +4 to AC and +1 to Strength (thus, depending on prior Strength score, adding either 0/+1 To Hit in melee and either 0/+1 Damage with melee and thrown weapons)
Wearer cannot become entangled by natural plants.
Natural: Exists in the real world. A philodendron is a natural vine because it exists in the real world. A shambling mound is a plant monster that does not exist in the real world and is therefore not considered natural.