Scientists have created a highly breathable material that may lead to futuristic smart "second skin" uniform that can protect soldiers from biological agents and chemical chemical hazards in the field. Why high breath ability ? High breath ability is a critical requirement for protective clothing to prevent heat-stress and exhaustion when military personnel are engaged in missions in contaminated environment. Scientists from the Lawrence Livermore National Laboratory (LLNL) fabricated flexible polymeric membranes with aligned carbon nanotube (CNT)channels as moisture conductive pores. The size of these pores -less than 5 nanometers(nm)- is 5,000 times smaller than the width of a human hair. To provide high breathability , the new composite material takes advantage of the unique transport properties of carbon nanotube