Features:Easy vertical adjustability: The Lazer Turnsys system provides a tailored fit that's easy to adjust on the move with a simple turn of the dialGuaranteed fit: One size fits all. The helmet shell and fit system is designed to accommodate a wide variety of head sizes and shapesLED light compatibility: Increase safety and visibility by attaching the Universal Lazer LED at the rear of the helmet via the Direct MountBetter visibility: A fully integrated visor looks great and keeps sun out of the eyes and off the faceLightweight: 19% lighter than Lazer Compact DLX MIPS M CEReduced plastics: 70g less plastics used than in Lazer Compact DLX MIPS M CESize: Uni-size 54-61 cm