DC's PE kit is getting worse and worse. The t-shirts are made of that quick-drying sports fabric, were originally white and have gradually become more and more grey. But I can live with that... it's the armpits that are upsetting me - they've gone much darker grey than the rest! I wonder if it's a reaction to underarm deodorant?
Anyway, does anyone have any tips for fixing this? Because it's sports fabric I feel like I can't hot wash them or soak them in bleach, etc.