SCIENTIFICALLY PROVEN - The fabric is scientifically proven to increase muscular strength and endurance as well as decrease recovery time. MUSCLE POWER - Increases muscle oxygenation and enhances circulation. Also reduces lactic acid build-up MOISTURE MANAGEMENT - The moisture management wicking moves moisture away from the skin four times faster than other polyester materials. CLIMATE CONTROL - Optimal body temperature regulation in warm and cold weather conditions Material : 82% Polyamide 18% Elastine Product Code: CLSS