Answer:
I am made by nature soft as silk; A puffy cloud white as milk; Snow tops this tropical crop; The dirtiest part of a mop.
Why is leather armor best for sneaking?
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves every day. What am I?
I am bought by the yard but worn by the foot
You can catch me but cannot throw me.
Of these things - I have two. One for me - and one for you. And when you ask about the price I simply smile and nod twice.