I bought this tank top to use in the summer when it is hot and humid. I am one who sweats like crazy and one who gets chaffed quite easy. I read about this product and thought it would work well for running during the day. I have some ASICS compression shirts which I swear by and thought this would be a good added element. I took off for a long run with this tank top and it destroyed me. I don't think it is a problem of the product, but my body cannot handle anything that causes friction or rubbing. When I was done running my nipples were super raw.
Needless to say that this tank top will no longer be used for running, but for casual wear around the house. It is very light and comfortable. However, I just have a body that needs materials that don't rub, so I guess it is compression gear all the time. I wish I could run in this because it was light, did not get heavy with sweat and felt great until I ran.