Active Tense - ErgoThe Ergo Shorts have a biomechanical exoskeleton design for quads, flexors, hamstrings, and glutes. They give you enhanced support to help improve stability and reduce vibration on muscles while exercising. But they wont limit your comfort. Perfect for both outdoor and indoor activities, whenever you need to maximize explosive power, including football, baseball, soccer, basketball, rugby, weight lifting, sprinting, skiing and more. Posture enhancing