i90 Modular Helmet Solid Size:3X-Large and Free Air™ mesh hybrid

and Free Air™ mesh hybrid outer shell for maximum impact resistance and mesh cooling where you need it• Full Flex™ system: precision tailored fusion of pliable mesh (underarm/shoulder/back) and articulated back expansion panels

Wirelessly Adjust Heat Levels with MW Connect™ App

Icon D3O uses the latest material innovation from D3O to offer increased durability

Find Your Perfect Fit Sizes (inches) XS S M L XL 2XL 3XL Hand Width 7" 8" 8

The new Sena Motorcycles App gives users a way to configure the 50C’s device settings visually

i90 Modular Helmet Solid Size:3X-Large and Free Air™ mesh hybridi90 Modular Helmet Solid Color Gloss Black,Matte Black,Wine,White HELMET SIZING CHART SIZE CENTIMETER HAT SIZW INCHES 2X Small 51 52 6 3 8 6 1 2 20 20 1 2 X Small 53 54 6 5 8 6 3 4 20 7 8 21 1 4 Small 55 56 6 7 8 7 21 5 8 22 Medium 57 58 7 1 8 7 1 4 22 1 4 22 7 8 Large 59 60 7 3 8 7 1 2 23 1 4 23 5 8 X Large 61 62 7 5 8 7 3 4 24 24 3 8 2X Large 63 64 7 7 8 8 24 3 4 25 1 4 3X Large 65 66 8 1 8 8 1 4 25 5 8 26 4X Large 67 68 8 3 8 8 1 2 26 3 8 26 3 4 5X