Among the main top features of bicycle helmets is their construction. Many helmets are made using an in-mold style, in which a tough outer shell is merged with a foam boat that absorbs shock. This design helps deliver affect makes over the helmet, lowering the chance of mind trauma. Advanced components and technologies, such as multi-density foam and reinforced shells, have significantly improved helmet performance in comparison to older models. These improvements let helmets to be light without limiting safety. caschi mtb