Petzl - ELIA, Versatile Helmet for Women 6" high 8" wide EASY TO USE: The new OMEGA headband system has more pronounced notch that is specifically designed for easy donning and removal of helmet. COMFORT IS KEY: The ELIA has great stability on the head thanks to new foam liners. ADJUSTS TO YOUR HEAD: Simple, quick headband adjustment while helmet is worn, thanks to two easily accessible adjustment buttons on the outer shell. DURABLE DESIGN: Features a lightweight, durable shell of injection molded ABS and expanded polystyrene liner. ADAPTS TO YOUR ACTIVITY: A headlamp can be attached using the four integrated clips and is also compatible with the VIZION eye shield.