Well, look at the perks, alteration gives you:
4 x Effectivness on armour spells when not wearing armour.
Lengthen the spell so you don't have to cast it as often.
20% magic resist.
30% spell absorb.
Light Armour gives you:
150% more of the original armour.
50% faster stamina regen.
10% chance to dodge a melee blow.
Take your pick, the light armour tree gives you a perk to move as robes so i didn't include it here.
Or will i be able to wear like bracelets or something? Thanks!
OB had a lot of different shoes that were pure cloth, i don't see the reason they won't come back in Skyrim.