Here is an idea on how to make the customers feel better about the products they're buying.
Last weekend I purchased a garment from New Zealand merino wool clothing company Icebreaker.
On the tag of the shirt there is a nine-digit code called baacode which may be used to trace the garment back to the sheep stations where the merino fibre was grown. One can watch through photos and videos the living conditions of the animals and follow the process of manufacturing the garments.
Here are the ones for my baacode 013E3230F: