This secret armor head in Monster Hunter World is called Faux Felyne and it is a Palico head armor. The Faux Felyne has rarity 6 and offers +2 elemental defense including the skill “Palico Rally 3”.
To unlock it you need to collect the following materials.
These vouchers are common rewards from Tailraider safari’s. You can start these by visiting your housekeeper in your room in Astera.
The Pelts are high rank rewards from Palumu’s in the Coral Highlands. They are often found in Zone 5.
These pelts are common drops from carving Kelbi’s. The Wildlife Waste has some directly in front of Camp 1.
The Firecell Stones are a rare drop from Mining Outcrops in the Elder’s Recess.
ARMOR & OUTFITS
Unlocking SHADOW SHADES | Monster Hunter World (Event Quest 03/08 "A Flash in the Pan" Reward)
Unlocking the WIGGLER HEAD | Monster Hunter World (Wiggler Event Quest Armor)
Monster Hunter World | Full ALOY Armor Set + Bow (NEW Event Quest for Horizon Zero Dawn)
ALL PALICO GADGETS
Palico GADGET "Flashfly Cage" Location | Monster Hunter: World (Palico Gadget Location)
Palico GADGET "Shieldspire" Location | Monster Hunter: World (Secret Palico Gadgets)
Palico GADGET "Coral Orchestra" Location | Monster Hunter: World (Secret Palico Gadgets)
MONSTER & TRACK LOCATIONS
How to find KIRIN Elder Dragon Tracks in Coral Highlands | Monster Hunter World (Kirin Location)
Finding ELDER DRAGON Tracks in Rotten Vale | Monster Hunter World (Vaal Hazak Track Locations)
Finding ELDER DRAGON Tracks in Wildspire Waste | Monster Hunter World (Teostra Track Locations)