Armor size, and magical properties...

[rushlight]

I have a question:

Does magical armor resize to fit any character? Would a +1 suit of leather crafted for a 'small' goblin magically fit a 'medium' human?

Thanks!

 

[Pinotage]

I have a question:

Does magical armor resize to fit any character? Would a +1 suit of leather crafted for a 'small' goblin magically fit a 'medium' human?

Thanks!

Nope.

Size And Magic Items

When an article of magic clothing or jewelry is discovered, most of the time size shouldn’t be an issue. Many magic garments are made to be easily adjustable, or they adjust themselves magically to the wearer. Size should not keep characters of various kinds from using magic items.

There may be rare exceptions, especially with racial specific items.

Armor and Weapon Sizes
Armor and weapons that are found at random have a 30% chance of being Small (01-30), a 60% chance of being Medium (31-90), and a 10% chance of being any other size (91-100).

The text seems to indicate that everything else resizes but weapons and armor don't.

Pinotage

 

[Patryn of Elvenshae]

While the armor would shift enough to fit a halfling, it would not shift enough to fit a human.

 

[Steve Jung]

The above is for 3.5. In 3.0, armor can resize that much.