Answer:
The sun bakes me, the hand breaks me, the foot treads on me, and the mouth tastes me. What am I?
Against the sun I protect your eyes and am often worn on the face of spies
I am always around you but often forgotten. I am pure and clean most of the time, but occasionally rotten. What am I?
Fashions change, but what can a person wear that is never out of style?
I am longer than a decade and shorter than a millennium
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.