Technical detail: The fiber shell made of fiberglass composite SilvercoolPlus T / removable & washable . This helmet made for the races has been tested in the wind galleia: . The fiber shell made of fiberglass composite: Lightweight, improved fit and comfort using Advanced CAD Technology . . Interior SilvercoolPlus T (Ginkgo): Moisture wicking and anti-odor fabric interior with antibacterial silver-based. . Crown and cheek pads are removable and washable. . All sizes of cheek pads are interchangeable in all sizes. . RapidFire T replacement protection system: ratchet system for easy and safe removal and installation of ultra-fast, without the aid of tools. . "ACS" Advanced Channeling Ventilation System: Full management of the air flow from the front to the rear to release heat and moisture. . Front guard with hook Pinlock ®. Pinlock ® anti-fog 100% Max Vision included.