About this item FUSION POLYCARBONATE SHELL - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet. INTEGRATED MIPS (MULTI-DIRECTIONAL IMPACT PROTECTION SYSTEM) - MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts. ERGO-FIT LED - What was once ErgoDial now has an improved dial feel and function (no longer requires a push to turn) and is more sleek and less bulky. NO-TWIST TRI-GLIDES AND SWEAT GUIDE - Quick-adjust fasteners that help keep straps flat and properly positioned. Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear. SPECIFICATIONS - Universal Women's (50-57 cm) and Universal Adult (54-61 cm) Sizes. Important: always take a measurement. Sizes and shapes can vary, even within an age range. Using a helmet that does not fit can be dangerous; 14 vents. › See more product details