Enerskin E75 Womens Compression Long-Sleeve Shirt (Large). 1 per box. Enerskin Long-Sleeve Shirts feature a built-in taping system for unrivaled, dynamic support for your core and upper body. This ultimate upper body support system delivers comprehensive compression and muscle mapping for breakthrough performance gains and robust protection. A multitude of upper body and core target zones help reduce fatigue and strain while boosting power and endurance to get you to the finish line faster and stronger.