During the Witcher 2 you will need to get amor besides the weapons, potions that help you, but armor will get you to survive heavy attacks and keep you alive longer. Having the best armor on in the witcher 2 is always best  to give you the edge over your opponent so can concentrate on eliminating your enemy and not worry about taking blows and dying. So the increase of survival is crucial for  you to advance in the game. Also you can reference to the witcher 2 assassins of kings walkthrough to help you get through levels, collect items and so much more.
The Witcher 2 Assassins of Kings Enhanced Edition TOC:
The Witcher 2 Assassins of Kings Enhanced Edition Walkthrough
The Witcher 2 Assassins of Kings Enhanced Edittion Review
The Witcher 2 Assassins of Kings Enhanced Edition How to Defeat Letho
The Witcher 2 Assassins of Kings Enhanced Edition Chracter Development Guide
The Witcher 2 Assassins of Kings Enhanced Edition Tips and Tricks
The Witcher 2 Assassins of Kings Enhanced Edition All Alternative Endings
The Witcher 2 Assassins of Kings Enhanced Edition  Alchemy Formulae Location Guide
The Witcher 2 Assassins of Kings Enhanced Edition Crafting Diagrams Location Guide
The Witcher 2 Assassins of Kings Enhanced Edition Armor Locations Guide
The Witcher 2 Assassins of Kings Enhanced Edition Combat Tutorial
The Witcher 2 Assassins of Kings Enhanced Edition Armor Locations Guide
Aedernian Leather Jacket
It increase armor by +14 and is priced at 42 Orens. You can buy it from Mael in Vergen.
Armor of Ban Ard
Chest Armor that increases armor by +16 and is priced at 91 Orens. You can find it on skeletal remains in the Kaedwen (Caves). You can also purchase it from the Mysterious Merchant if you’ve installed the Mysterious Merchant DLC Kaedweni Camp.
Elder Blood Boots
Boots Armor that increases armor by +1 and is priced at 40 Orens. You can craft it with Witcher 2 diagrams or can search for it at random locations.
Elder Blood Gauntlets
Gloves that increase armor by +2 and are priced at 46 Orens. They can be found at various locations or can be crafted using diagrams.
Elven Armor
Chest Armor that increases armor by +8 and is priced at 45 Orens. You’ll Receive it when Cedric dies during the Racing With Time quest in Flotsam Wilderness.
Hardened Leather Boots
Boots Armor that increases armor by +1 and is priced at 8 Orens. It can be purchased from Mael in Vergen. It is also present at various locations and can be crafted with diagrams.
Kaedweni Leather Armor
Chest Armor that increase armor by +15 and is priced at 45 Orens. It can either be found on corpse in Kaedwen(Caves) or in the Vergen(Quarry).
Kaedweni Leather Jacket
Chest Armor that increase armor by +13 and is priced at 39 Orens. It can be bought from Lasota in the Kaedweni Camp.
Light Leather Armor
Chest Armor that increase armor by +8 and is priced at 26 Orens. It pops up at various random locations or can be crafted using diagrams or components.
Nilfgaardian Falconer’s Gauntlets
Gloves that increase armor by +2 and are priced at 13 Orens. It can be found at various locations or can be crafted using diagrams.
Quilted Leather
Chest Armor that increase armor by +4 and are priced at 13 Orens. It can be purchased from Sendler in Lobinden or from from Mael in Vergen.
Seltkirk’s Armor
Chest Armor that increase armor by +14 – it’s a quest item that you get after looting Vinson Traut’s corp in the Kaedweni Camp (Conspirators’ Hideout Quest).
Studded Leather Jacket
Chest armor that increase armor by +4 and is priced at 12 Orens. You can Purchase it from Mael in Vergen.
Superb Kaedweni Jackboots
Boots that increase armor by +1 and are priced at 33 Orens. You will get them when you loot Vinson Traut’s corpse in the Kaedweni Camp (Conspirators’ Hideout).
Superb Nilfgaardian Leather Boots
Boots that increase armor by +1 and are priced at 34 Orens. They can be found on Felix’s corpse in Loc Muinne.
Thyssen’s Armor
Chest Armor that increases Armor by +15 and is priced at 45 Orens. You can find it in a chest in hidden bedroom if you sided with the succubus at Vergen (Burned Village).
Armor of Tir Na Lia
It increases armor by +23 and is priced at 129 Orens. You will find it in Loc Muinne where you can purchase it from Bras of Ban Ard.
Armor of Vicovaro
It increases armor by +23 and is priced at 138 Orens. You will find it in Loc Muinne inside the Nilfgaardian Camp. You can collect the item on Renuald aep Matsen’s corpse.
Astrogarus’ Armor
Location. Chest armor that increases armor by +9 and is priced at 81 Orens. You can find it in Flotsam (Loredo’s Residence) inside the chest in the courtyard.
Hunter’s Armor
Location. Chest Armor that increase armor by +10 and is priced at 30 Orens. It can be obtained from various Locations, can be crafted with the appropriate diagram and components.
Long Robust Gauntlets
It increases Armor by +1 and is priced at 17 Orens. You can collect it several locations or can craft it with the appropriate diagram and components.
Raven’s Armor
It increases armor by +7 and is priced at 43 Orens. You can get this item if you import Witcher save game.
Shiadhal’s Armor
It increases armor by +8 and is priced at 39 Orens. It can be collected from the Mysterious Merchantin Flotsam if you’ve installed the Mysterious Merchant DLC or it can be found on Loredo’s corpse if you’re working with Roche at the end of ACT I.
Armor of Loc Muinne
It increases Armor by +20 and is priced at 72 Orens. You will find it inside the Kaedweni Camp (Nilfgaardian Camp) on Vanhemar’s corpse.
Armor of Ys
It increases armor by +24 and is priced at 144 Orens.
Armor of Ysgith
It increases armor by +26 and is priced at 145 Orens. It can be collected from a locked chest in the sewers of Loc Muinne.
Blue Stripes Combat Jacket
It increases armor by +7 and is priced at 52 Orens. It is a part of Geralt’s starting equipment if you’ve installed the Roche Commando Jacket collector’s edition DLC.
Draug Armor
It increases armor by +25 and is priced at 199 Orens. It is available at available at various locations and can be crafted with diagrams as well as components.
Dragon Scale Armor
Location. It increases armor by +17 and is priced at 146 Orens. You can purchase it from Mael in Vergen (Tunnels).
Draug Armor
It increases armor by +25 and is priced at 199 Orens. It can be crafted with components and diagrams – Also can pop up at random locations.
Elven Gauntlets
It increases armor by +2 and is priced at 47 Orens. It is given to you by Philippa Eilhart when you’re required to cross the spectral mist.
Herbalist’s Gloves
Gloves that increase armor by +1 and is priced at 5 Orens. It is part of Geralt’s starting equipment if you’ve installed the Ultimate Alchemy Suit pre-order DLC.
Kaedweni Jackboots
Boots that increase armor by +1 and are priced at 27 Orens. They can be found in a chest at Kaedweni Camp and after defeating golem in Kaedwen (Caves).
Kayran Carapace Armor
It increases armor by +9 and is priced at 84 Orens. You can either craft it or ride your luck to find it at random location.
Temerian Jackboots
Boots that increase armor by +1 and are priced at 21 Orens. You can find in wardrobe within King Henselt’s tent in Kaedweni Camp or by looting a corpse on the beach in Kaedwen Battlefield (Hut on the Hill) or dwarven corpse in Vergen (Burned Village) or by looting the corpse outside the Rock Pile in Vergen (Quarry).
Vran Armor
Chest Armor that increases armor by +30 and is priced at 198 Orens