Meet the characters who shape the evolution of waterproof breathable technologies, including Dr. Phil Gibson of the US Army Natick Lab: a materials science engineer who casts a cautious eye on manufacturers while looking at their fabric's breathability performance with a psuedo-realistic laboratory testing protocol; Dr. Liz McCullough, Director of Kansas State University's Institute for Environmental Research and proponent of merging laboratory data with real world performance; Dr. Fred Wilson, a chemical engineer of BHA Technologies and technology guru of new fabric known as eVENT that is giving Gore-Tex a run for its money; Mr. Glen Crowther, of W.L.