Techfit fabric powerweb construction for optimal muscle support. Climacool provides superior heat and moisture management. 3D engineered pattern for enhanced fit and performance. Power bands link key muscle groups.(Strategically placed thermoplastic polyurethane powerbands link key muscle groups together and work with the body to store energy through movement and amplify explosive movements.) Tested to enhance speed by 1.1% using 1.3% less oxygen and increases energy output by 5.3%