High Performance Apparel, simply defined, are the garments that perform or function for some purpose. These performance clothing help athletes and active people keep cool, comfortable and dry through moisture management and other techniques. High Performance Apparel consist of two sections- Sports wear and Protective Clothing. High Performance Apparel is sold to both, individual consumers as sportswear at retail prices, and as business-to-business protective clothing at wholesale prices. For real, they have the same characteristics working to meet the needs of the wearer's circumstances, and to defeat the risks of the outside environment. There are many methods to make an apparel perform. They include making of garment in specified ways, fabric and trim specification, or fiber and chemical treatments.

High Performance Apparel is one of the fastest growing sectors of the global textile industry. This growth of High Performance Apparel market can be attributed to the changes in the life style of the majority of people today. Active sports such as aerobics, athletics, running, cycling, hiking, mountaineering, swimming, sailing, windsurfing, ballooning, parachuting, snowboarding, and ski-ing are preferred today, over any other recreational activities. With the increasing risks in the industries due to the exposure to hazardous materials such as chemicals, polluting wastes etc. and due to increased risky events like fire, terror attacks etc. High Performance Apparel has all the more become important. The corporate wear sector is also growing with demands for more functionals clothing. Not only functionality, it also needs to be fashionable and stylish. As such, high tech fabrics and apparel that are made for high performance has become a necessity. Apart from representing status and sophistication, today, clothing is about being fit for purpose, clothing that performs.