The NIKE BPG 40 Batter's Elbow Guard 2.0 is a unisex elbow guard designed for baseball players in all positions. Made from a combination of polypropylene, polyester, EVA, and polyurethane, this guard provides protection and comfort during gameplay. The adjustable and breathable design allows for a customizable fit, while the black and white color scheme adds a stylish touch. With its one size fits all design, this elbow guard by Nike is a must-have for any baseball player looking to safeguard their elbow area during games.