Originally Posted By: crimpy
for real, just bring the garment. definitely makes for money well spent.
From a Patagonia webpage:

If you are not satisfied with one of our products at the time you receive it, or if one of our products does not perform to your satisfaction, you may return it to us for a repair, replacement or refund. Damage due to wear and tear will be repaired at a reasonable charge.

This is the so-called ironclad guarantee. Big &*&^^%%$#@ deal!