I'll tell you what they have that I just bought more of last week. Those Nike tee shirts, they are the greatest thing since sliced bread. I am a tee shirt guy, and had hundreds from just about every place I went. Untill I tried the Nike tee shirts in that nylon looking stuff. It's not nylon, it drys in 10 minutes from soaking wet. I am a cardio guy, so normally when I get off the treadmill, I am soaked, normally I would need 2 or 3 shirts by the time I was done with my workout. But with these new fabricks the shirts dry almost instantlly. It may sound like I have stock in the company, but for shooting in hot climates and any out door activity, you guys will thank me. They arent cheap, but a dozen of them in different colors, take the place of a hundred cotton tee's.