A large part of the helmet is made from recycled EPS materials with 20% cork AVID Progressive EPS - a combination of different density EPS ensures that both strong and weak impacts are optimally absorbed. At the same time, the material remains lightweight and provides the best possible ventilation MIPS B32 - MIPS technology ensures that in the event of a possible oblique impact, the helmet shell remains relatively well on the head. This protects the brain from rotational forces and certain injuries Click-to-Fit system - for an optimally adjustable fit FIDLOCK SNAP chin closure 14 white LEDs on the front and red rear light on the back (rechargeable) Visor and straps with reflective lines COOLMAX padding Ventilation - 13 vents ensure optimal ventilation Weight: 350g (size M) Features MIPS, reflective Gender adult Main color silver 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 Application area city / trekking Manufacturer color name platinum Type/kind Article Ventilation openings 13 pcs