Detachable visor allows the helmet to adapt to different conditions, high wearing comfort, ergonomic, mosquito net in the forehead area, reflective details, "ponytail" compatible, 265 g The padding with 37.5 technology uses active particles to draw body heat away from the head and wick away sweat 5 times faster. Type Item Features Fly screen, reflective Area of use MTB Color name white / black Main color white Head circumference 54 cm , 55 cm , 56 cm , 57 cm , 58 cm , 59 cm Head circumference up to 59 cm Head circumference from 54 cm Secondary color black Closure system Snap fastener Adjustment system Rotary knob Visor detachable