TRUE ONE PIECE SHELL A one piece high density plastic shell that provides a superior stiff, strong and lightweight barrier of advanced protection. The shells distinct geometry is designed to provide best in class impact diffusion coupled with a profile that is aesthetically sleek. ADAPTFIT 270 BY BOA In a fast moving game like hockey helmet fit is paramount to maximize safety and comfort. The AdaptFit270 fit system is micro adjusted with a BOA dial pulling the liner to your head. The control and individual fit of the helmet will allow you to wear it safely and comfortably for extended periods. FLOW COMFORT POLYGIENE LINER AND VENTING Wearing a helmet should not be irritating. Our removable flow liner pads are treated by Polygiene. They absorb sweat, dry quickly to keep you cool and odor free. Airflow through the shell is optimized by design to keep you from overheating ALPHA ONE COMBO Alpha One Helmet Combo is featured with a premium Alpha One cage in silver.