Item sets

Item sets are a game concept introduced in the Mann-Conomy Update, which applies new attributes (such as greater damage resistance, immunity to headshots, etc.) to the wearer when all items in a set are equipped. There are currently eight item sets, of which five originated from the Polycount Pack. Another three were later added in the Australian Christmas update, leaving the Engineer as the only class currently without his own item set. These item sets also do not require the corresponding hat, in order for the set bonus to activate.

Since Valve is of the opinion that game-changing effects should be available for every player within a reasonable amount of time, hats included in these sets are the only hats in the game to have guaranteed crafting blueprints (not including the Bonk Helm), requiring four Refined Metal and any weapon from the set in question the player wishes to craft the hat for.

Polycount sets

Scout

The Special Delivery

Main article: Item sets

The Special Delivery
	Shortstop Mad Milk Holy Mackerel Milkman
Effect	Leave a Calling Card on your victims

• Primary - Shortstop: Mann Co.'s latest in high attitude break-action personal defense

• Secondary - Mad Milk: Players heal 75% of the damage done to an enemy covered with milk.

• Melee - Holy Mackerel: Getting hit by a fish has got to be humiliating.

• Headwear - Milkman: A headwear item for the Scout.

Soldier

Main article: Item sets

The Tank Buster
	Black Box Battalion's Backup Grenadier's Softcap
Effect	Leave a Calling Card on your victims

• Primary - Black Box: On Hit: +15 health, -25% clip size.

• Secondary - Battalion's Backup: Provides a defensive buff that protects nearby team members from Crits and blocks 35% of incoming damage. Rage increases through damage taken.

• Headwear - Grenadier's Softcap: A headwear item for the Soldier.

Pyro

Main article: Item sets

The Gas Jockey's Gear
	Degreaser Powerjack Attendant
Effect	Leave a Calling Card on your victims

• Primary - Degreaser: 65% faster weapon switch, -25% burn damage.

• Melee - Powerjack: +25% damage done, +75 health restored on kill, no random Critical hits.

• Headwear - Attendant: A headwear item for the Pyro.

Sniper

The Croc-o-style Kit

Main article: Item sets

The Croc-o-Style Kit
	Sydney Sleeper Darwin's Danger Shield Bushwacka Ol' Snaggletooth
Effect	Leave a Calling Card on your victims

• Primary - Sydney Sleeper: On Hit: Jarate applied to target for 8 seconds, no random Critical hits, this weapon can't headshot enemies.

• Secondary - Darwin's Danger Shield: +25 max health on wearer.

• Melee - Bushwacka: This weapon Crits whenever it would normally Mini-Crit, 20% fire damage vulnerability on wearer.

• Headwear - Ol' Snaggletooth: A headwear item for the Sniper.

Spy

Main article: Item sets

The Saharan Spy
	L'Etranger Your Eternal Reward Familiar Fez
Effect	Extra effects when taunting.

• Primary - L'Etranger: +15% Cloak on hit, -20% damage done.

• Melee - Your Eternal Reward: Upon a successful backstab, you rapidly disguise as your victim. This weapon is a silent killer, the wearer cannot use the Disguise Kit.

• Headwear - Familiar Fez: A headwear item for the Spy.

Australian Christmas

20px Demoman

Main article: Item sets

The Expert's Ordnance
	Loch-n-Load Ullapool Caber Scotch Bonnet
Effect	No effect

• Primary - The Loch-N-Load: +10% damage done, +25% projectile speed, -60% clip size, launched bombs shatter on surfaces, +25% damage to self

• Melee - The Ullapool Caber: No random Critical hits

Heavy

Main article: Item sets

The Hibernating Bear
	Brass Beast Buffalo Steak Sandvich Warrior's Spirit Big Chief
Effect	No effect

• Primary - The Brass Beast: +20% Damage done, 50% slower spin up time, -60% slower movement speed while deployed

• Secondary - The Buffalo Steak Sandvich: While under the effects, move speed is increased, damage done and taken will be Mini-Crits, and the player may only use melee weapons

• Melee - The Warrior's Spirit: +30% damage done, -20 max health on wearer

Medic

Main article: Item sets

The Medieval Medic
	Crusader's Crossbow Amputator Berliner's Bucket Helm
Effect	No effect

• Primary - Crusader's Crossbow: Fires special bolts that heal teammates and deal damage to opponents based on distance traveled; the longer the distance, the larger the amount of healing or damage.

• Melee - Amputator: On taunt: heals all nearby teammates within a certain radius, who emit glowing circles similar to that of the Buff Banner or Batallion's Backup.

Bugs

• Due to how the bullet vulnerability is calculated, certain non-bullet weapons deal 10% more damage to a Gas Jockey's Gear Pyro. This includes the Syringe Gun, all melee weapons, the Chargin' Targe, and most taunt attacks.
• Snipers who have the entire Croc-O-Style Kit equipped can still die to headshots if they have around 1 health point. This is either a bug, or a misconception caused by the set bonus description.
• Currently, Demomen who have equipped both the Expert's Ordnance set and the Chargin' Targe appear to have a 55% increase to fire damage resistance, as opposed to the appropriate 60%.
• Currently, Hibernating Bear, Mediveal Medic and Expert's Ordance don't need set hat for effect.

Trivia

• The Hibernating Bear was originally called Big Chief Hibernating Bear. [1]

Gallery

• 

  The Special Delivery Kit

• 

  The Soldier's Tank Buster Pack

• 

  The Gas Man

• 

  The Croc-O-Style Kit

• 

  The Saharan Spy

• 

  The Expert's Ordnance

• 

  The Medieval Medic