The new tech of sweat:

They can invent a carpet that protects itself from grape juice setting in. Why can't they do the same for sweat soaking clothes? Actually, companies like Nike have already started toying with a new type of material technology. They appropriately named it Dri Fit. This revolutionary material has been used to make an entire tennis apparel line (shorts, shirt, tanks, etc). It's benifts are that it's lightweight for easy movement. And of course, it is incredible at repeling sweat. Preventing the need for a change while changing sides.