The Mizuno Youth Elite Stretch Sleeve features lightweight flexible main body fabric with Mizuno DryLite Technology that transports excess moisture away from the body. Lightweight and flexible airmesh back fabric for superior breathability. Compression sleeve fit. Contoured torso shape with extended length scooped tail for extreme comfort and ensures the shirt stays tucked in during play. Runbird heat transfer logo on front collar. Mizuno Runbird heat transfer on rear neck. Youth sizing.