2XU Elite Long Sleeve Compression Top provides support to your muscle groups, allowing you to perform at the peak of your potential while reducing muscle fatigue at the end of the day. The compression shirt is made with PWX FLEX and PWX WEIGHT fabrics in the arms to promote blood flow. Designed to contain your muscles, the compression top keeps your muscles aligned for increased power while helping to reduce muscle vibration and protect against injury. With this compression shirt, you will be spared from experiencing delayed-onset muscle soreness. Even with all of this support, 2XU Elite long sleeve compression top is still flexible and will give you the agility and range of motion you need to complete your workout.