I just bought my first pure white polo, a Lacoste. I normally don't wear white since I'm a big guy, and I tend to sweat some, and don't want to quickly ruin a white shirt with pit stains. Any recs on preventing this or doing damage control? I cant wear a t-shirt under it, the sleeves are too short so the t-shirt sleeves will pop out. Should I just pop it in the washing machine right after wearing it? I can't bleach it, because of the gator, right?