The Half Dome has long been a staple for climbers worldwide. Now redesigned to meet a womans needs, the Half Dome Womens helmet features a fit that caters to the shape of a female head. With a shell profile that is optimized for a ponytail, you can spend less time fiddling with your hair and more time climbing. Plus, low profile, streamlined suspension and a one-handed dial combined with streamlined headlamp clips add comfort and simplicity. A low profile chin strap provides more efficiency. Co-molded EPS foam with low-profile polycarbonate shell Womens-specific fit Ponytail-friendly shell design Lightweight headlamp clips One-handed fit adjustment dial Easily adjustable chin strap Weight : 330 g (11.6 oz) Size Range : 50-58 cm (19.7-22.8 in)