Specialized sierra black emerald green helmet
If serious protection at a great value isnt reason enough this feature rich design also includes the hairport sx dial fit system for a simple more secure setup for women the sierra comes in graphics and colours to match our womens bikes and apparel one size system based on womens head sizing designed for easy and accurate fit ponytail ready hairport sx fit system w micro adjustable dial for an easy accurate fit 4th dimension cooling system optimises ventilation tri fix web splitter for