The new aspire is the ideal helmet for road enthusiasts this minimalist road race inspired design is the most affordable way to experience the signature specialized fit comfort and ventilation and with the new hairport you never have to worry about your hairthe new hairport sl fit system with four height positions and micro adjustable dial is easy to adjust on the fly and pony tail compatibletri fix web splitter for improved comfort and ease of strap adjustments4th dimension cooling system to