Look up the Deathbrand armour, the helmet gives me a +100 armour bonus. My armour rating is 589.
Spud I don't wear light armor, lol. Here's why...
An armor rating of 900 only with
haevy armor perks and smithing:
daedric armor (legendary) 342
daedric gloves (legendary) 141
daedric boots (legendary) 141
daedric helmet (legendary) 165
spellbreaker shield (legendary) 111
That's with no alchemy or enchanting.
Deathbrand Armor: "Increases your stamina by 15 for each Deathbrand item you wear."
Deathbrand Helm: "Waterbreathing. 100+ Armor while wearing a complete set of Deathbrand armor."
Deathbrand Boots: "Increases carrying capacity by 10 for every Deathbrand armor you wear."
Deathbrand Gauntlets: "While dual-wielding, your one-handed attacks do 10% more damage for each Deathbrand item you wear."
I am not even 40th level and my armor rating without a shield is 400+.
Heavy is where it's at hehehehe.
Actually I wear armor completely for looks. After you get above 300, and above level 30 it really does not matter so much anymore depending on your skills. My Ebony Armor alone is 113 and I am not even maxed in armorer or enchanting yet, so my legendary armor can increase even more! Now include helmet, gauntlets and leg and I am 400+ (all legendary of course.) I can continue to improve it as I progress, as I am sure you know. If I added a shield it would be sick. So I go for looks and wield 2 swords. When I reach level 50 my armor class in the same armor will be better than your light armor now I imagine. It will be 700 easy. Now if I wore Deadric, it gets ridicules for sure.
I can't wait to try the new DLC next month. Will be awesome. All you are doing is wetting my appetite, lol.