The Combat Shirt provides high-performance design features and durability in the field. Double-reinforced elbows and Mini Ripstop weave fabric hold up to crawling"" shooting and climbing. The inclusion of VaporCore(TM)"" powered by 37.5(R) Technology in the body allows you to perform better"" longer. This is accomplished by its evaporative cooling properties and ability to dry up to 5x faster than traditional fabrics.