A large part of the helmet is made of recycled materials EPS with 20% cork AVID Progressive EPS - a combination of different density EPS ensures optimal absorption of both strong and weak impacts. At the same time, the material remains lightweight and ensures the best possible ventilation MIPS B32 - MIPS technology ensures that in the event of a potential oblique impact, the helmet shell remains relatively well-seated on the head. This protects the brain from rotational forces and certain injuries Click-to-Fit system - for an optimally adjustable fit FIDLOCK SNAP buckle 14 white LEDs at the front and red rear light at the back (rechargeable) Visor and straps with reflective lines COOLMAX padding Ventilation - 13 vents ensure optimal ventilation Weight: 350 g (size M) Features MIPS, reflective Gender adult Main color silver Head circumference 59 cm, 60 cm, 61 cm, 62 cm Head circumference up to 62 cm Head circumference from 59 cm Adjustment system Click-to-Fit Area of use city / trekking Manufacturer's color name platinum Type/kind Article Ventilation openings 13 pcs