Full Grain Pigskin Leather: For great durability. ButterSoft Palm Liner: PU palm lining for increased durability, feel, and comfort. MZO Lining: Disperses perspiration away from the skin. AirMesh Back: Increases flexibility & breathability. Less 2 Lacing: Removes the last 2 lace loops on the web to increase flexibility along the closing axis. Parashock Palm Pad: Provides outstanding protection and ideal comfort. PowerClose™ Technology: Makes catching easy for younger players.