ECD Hero 4.0 Semi-Soft Lacrosse MeshEverything you need to know about ECD Hero 4. 0 Lacrosse Mesh ECD Lacrosse Hero 4. 0 features new Tri Fiber Core, which utilizes three highly specialized fibers to provide more texture, control, and consistency. The ball seems to stick to your pocket when you catch it, but still comes out with a smooth release. And it resists bagging as much as an environmentally friendly grocery store. Key Points: Tri Fiber Core Three highly specialized fibers to