Bike helmet WATTS 2.0 in Dual Shell (PVC and ABS), rigid visor directly integrated into the shell of padding, occipital adjustment system Compass Fit, weight 350g. Equipped with 11 vents. Non-MIPS model. S: Head size from 52 to 55.5 cm. M : Head size from 55,5 to 59 cm. L : Head size from 59 to 62 cm. We will easily fall for this WATTS 2.0 bike helmet as much for the elegance of its sand color as for the sure protection it will bring us with style and modernity.