Giro Prima LX
Here's what other sites are saying:
Prepare thyself for a new era in ladies' helmets. The ever-techy Giro has bestowed plenty of comfy and safe features on the Women's LX Prima Helmet. An In Form fit system lets you adjust the helmet's fit from the inside--because an ill-fitting helmet is both uncomfortable and unsafe. A three-stage ventilation system lets you adjust for any temperature, and a subtle graphic adds a touch of class without any loudness.