Sports "Heart Guard" Moisture Wicking Compression Undershirt (Baseball Pitchers/Catchers, Football, Soccer, ALL Athletes) All-Star Baseball/Softball D30 Heart Shield Compression Undershirt. Padding Over Heart to Protect Pitchers on Hard Come Backers. Low Profile Design and Wicking Fabric for Performance and Comfort by Keeping Moisture away from the Body. Used by Players in Little League, Travel Teams, Pony and School/Rec. Ball Machine Washable.