Buy OSRS Greenman mask
The greenman mask is a members-only cosmetic item in Old School RuneScape. It comes from the Varlamore league region and its design is based on the Green Man, a figure in English mythology. The mask has no combat stat bonuses and weighs only 0.1 kg. As the examine text says, it makes you feel at one with nature.
The mask has seven style variants: Default, Normal, Oak, Willow, Maple, Yew, and Magic. To unlock a style, use 300 of the matching tree leaves on the mask. This needs only level 1 Fletching and gives 20 Fletching experience. Once a style is unlocked, you can switch between looks on any mask at any time.
The mask is also a crafting material. You can combine it with 5 Ent branches and Maple logs to make a greenman statue, or with 5 Ent branches and a Yew log to make a greenman carving. Both can be placed in a player-owned house. The statue fits in a normal or formal garden. You can also store the mask in the magic wardrobe of a costume room, so it never clutters your bank.