This low profile helmet has a 2 1/2 ” (6. 5 cm) visor that provides total eye and sun protection. The shell is made of high impact Ralvek® thermoplastic for increased stiffness and protection. A comfortable closed-cell waterproof foam is used to dissipate impacts. The Lee also features our Croc-Loc® rear adjustor for a comfortable, locked-down precision fit. The Lee includes a closed-cell fit pad kit for customizing, detachable thermoformed ear covers, edging trim, top quality webbing and buckles and stainless steel chinstrap rivets.