The Clothes are considered to have had their title of "Clothing" destroyed by the requirement of destroying them: Yevamot 103b
Clothing requires a minimum size in order to make a house Impure: Yevamot 103b
A growth which spreads to cover an entire garment: Zevachim 49b; Niddah 19a
Relevant to other mitzvot
Use of a shoe in various phases of tzaraat for chalitzah: Yevamot 103b
