Sweat Proof T-shirt / White

I juat want to thank you for a quality product. I bought from 3 different companies ro see which i preferred for my son, who loves white shirts, but plays basketball, sweats, gets funky, and destroys those same white tees. he went out to play basketball, in the heat, for four hours on two consecutive days, wearing a new T-shirt each day, and came back with no stains on the front of the shirt, no pit stains, and no odor. I am disappointed that I ended up with products from another company that can’t even be returned, even though they were never warned, because their product was bulky, almost like having pads underneath your armpits. Your T-shirts are thoughtfully designed, the extra padding is integrated into the T-shirt, so there are no weird bumps or lumps, or dangling fabric under your arms. Thank you !!