If you don't like just being the kind of witcher who only cares about attack, you're surely devoted to armors and pieces of armors, which have been included in many variants in The Witcher 3: Wild Hunt. Especially after the patch 1.07 has been applied, completely changing the level requirements to use specific pieces of armor, you might need some help to learn which the best armor in the game is: follow our guide, then, and learn which is the one that suits you best.
Level 41
In a free DLC pack
Huge amount of protection
Level 14
Diagrams to be found around Kaer Morhen
Medium weight, increasing attack power and sign intensity
Level 21
An upgrade for the Wolf School Gear (more sign intensity, better attack power)
Level 29
Third tier for the Wolf School armor (more attack power and sign intensity, better protection)
Level 34
Final upgrade for the Wolf School armor(greatly increased critical hit chance)
Level 11
Velen, in Dragonslayer's Grotto (north of Crookback Bog)
Medium armor with increased sign intensity
Level 18
Velen (No Man's Land)
Level 26
Level 34
Increase in elemental damage resistance and sign intensity
Level 17
In a cave underneath Novigrad
Light-weight, increased attack power and stamina regeneration
Level 23
Novigrad/Velen
Fits for mid-level players
Level 29
Velen (No Man's Land)
Powerful enemies (18-27) guarding some of the diagrams
Level 34
Improves stamina regeneration, adrenaline point generation and more attack power
Level 20
An Skellige, north of Urialla Harbor
More protection but less stamina regeneration
Level 25
Six diagrams to find to upgrade the whole set
Level 30
You need Enhanced Bear Gear first.
Level 34
More protection, adrenaline points, but less stamina regeneration
Level 28/31
Craft or buy the pieces
Great protection from physical attacks, but less stamina regeneration