what does Hamlet's appearance (i.e. manner of dress) tell us about him/her?

Act II/ Scene I

Ophelia's description of Hamlet.

"My lord, as I was sewing in my closet,

Lord Hamlet, with his doublet all unbraced;

No hat upon his head; his stockings foul'd,

Ungarter'd, and down-gyved to his ancle;

Pale as his shirt; his knees knocking each other;

And with a look so piteous in purport

As if he had been loosed out of hell

To speak of horrors,—he comes before me."

In this section Ophelia describes Hamlet as unkempt, anguished. In reality, she doesn't yet grasp the full reality of what is transpiring and sees him as lovesick.