Hogue Exploit Otf Automatic Black, 3.5\ Clip Point, Plain Edge, Aluminum Frame" Silver Narrow straps of retention Narrow straps of retention system are very soft and light so as not to press like standard hard plastic headbands Soft rear adjustment system conforms better to the head and ensures compact backpack storage Extended chin strap length allows a hat to be worn underneath 4 headlamp clips are robust for easy handling and secure attachment of any headlamp and are imbedded to combat snagging 11 vents and air channels built in the foam facilitate excellent ventilation Inside padding is fully removable and washable Details: Get the most safety out of your trail helmet with the Tectal Race SPIN Thickness: 0 Locking Mechanism: Double Action Out The Front Automatic Ambidextrous Trigger Deployment & Retraction