Crew neck with sporty raglan sleeve for a contour fit. Mesh panels at underarm gusset for breathability. Flat lock seams reduce chafing. Ergonomic seams contours the body and offers maximum support, comfort and mobility. Made in high stretch poly/elastane lightweight fabric with Moisture management properties, Ruco-Bac treatment and UPF50+. This compression garment is designed to be tight and may be tough to get on. By compressing your muscles it will enhance blood flow and circulation, support muscles by reducing vibration and decrease the build-up of lactic acid that causes post-workout fatigue.