Casque Route BELL FALCON XR LED MIPS Blanc Noir SOFT impermeable 5 cm 165 173 cm 167 PBS_TROY049494 5 cm 165 173 cm 167 Sizes Chest circumference (in cm) Waist circumference (in cm) Hip circumference (in cm) Height (in cm) XS 88 91 70 74 89 95 165 178 S 92 95 75 80 94 100 173 188 M 96 100 81 86 99 106 178 190 L 101 106 87 92 105 110 181 195 XL 107 113 93 99 109 116 >185 XXL 114 121 100 106 115 121 >185 Measure your chest circumference at the widest part of your torso and the Sweat Guide front padding prevents sweat from uncomfortably seeping into the eyes This model also prioritises user comfort: it features the Float Fit adjustment system