NanoDri Sweat-blocking Pad
A sweat stain blocking pad that you can place inside your underwear and prevent sweat stains from coming through. 4-ply fabric, with 3 layers fully absorbent and the opposite layer super-water repellent to prevent sweat soak through. Fully breathable under normal atmospheric air pressure means that you don't feel hot when wearing it. Never feels cold or clammy.