This helmet is a work of art and featured in an "Art of the Helmet" blog post. An aerodynamic shell design  constructed using an advanced  lightweight composite poly-alloy ? A helmet liner and cheek pads  made with a hypo-allergenic and  anti-microbial nylon, all of which  are removable and washable ? Provides ample ear cavity space  for speakers ? A flush-fit, side-coverless face  shield that is optically correct,  compound-curved, scratchresistant and protects against  UV-rays ? There are optional tinted shields  available for this model ? 7 points of ventilation with chin,  side, rear & forehead vents ? A square type D-ring with chin  strap holder ? A clear coat finish to protect  paint & graphics ? Comes with a cloth carrying bag ? Comes with a Limited Lifetime  Warranty ? Use same outer shields as the  FX-100 street helmet