MIPS - MIPS technology allows the helmet shell to move relative to the head in the event of an oblique impact. This protects the brain from rotational forces and certain injuries. Click-to-Fit System - Height-adjustable adjustment system Reflective stickers - for improved visibility Insect mesh Weight: 280 g (size M) Type Article Properties Insect Net , MIPS , Reflective Area of Use City / Trekking Colour Name matte black Gender Adult Main Colour black Head Circumference 52 cm , 53 cm , 54 cm , 55 cm Head Circumference up to 55 cm Head Circumference from 52 cm Adjustment System Click-to-Fit