Diamond Air Liner Mesh Shorts – Built for Ballplayers. Engineered for Training. When the grind starts early and doesn’t stop, you need gear that’s built to move, breathe, and perform. Baseballism’s Diamond Air Liner Mesh Shorts were designed with the athlete in mind—training-ready, everyday-tough, and technically loaded to handle every rep, sprint, and drill. These are not your average mesh shorts. These are ballplayer shorts—from fabric to function. Technical Features: • Diamond Air Mesh Exterior – Durable, breathable, and cut for mobility; a Baseballism-exclusive fabric made for elite training. • Performance Liner Fabric – Supportive, sweat-wicking liner built to move with your body.