The Warrior Fatboy Alpha Pro Combo Box lacrosse helmet is designed for premium protection, superior fit and sleek styling and is used in box lacrosse. You can play box with a regular lacrosse helmet, but for the added protection you can use a helmet that is specifically designed for box. The OmniShock Protection System w/Impax Foam has a focused protection on the impact zone of the frontal lobe, temples and occipital lobe. This helmet is reinforced with Impax absorb pods that diffuse energy. Impax pods absorbs both liner and twisting impacts. The True One Pro shell is a one piece high density plastic shell that provides a superior stiff, strong but yet lightweight barrier for advanced protection. The True One Pro shell has a distinct geometry designed to balance a slim look and provide good impact diffusion. This helmet comes with AdaptFit 270 which allows form micor adjustments with a BOA dial, so it pulls the liner to your head. It also has removable flow liner pads which are treated with Polygiene so they absorb sweat, and dry quickly to keep you cool and odor free. The Airflow through the shell is optimized by design for keep you from overheating.