are all shoei helmet shells the same size X-Fifteen Guide – Sierra BMW Motorcycle NoirTrek Leather Backpack 2.0 180 while advanced noise reduction options:Crimsom/Slate Grey/ Medium (55 - 57 cm)

are all shoei helmet shells the same size X-Fifteen Guide – Sierra BMW Motorcycle NoirTrek Leather Backpack 2.0 180 while advanced noise reduction options:Crimsom/Slate Grey/ Medium (55 - 57 cm)

NoirTrek Leather Backpack 2.0 - Modern durable handmade Black Leather Backpack built for urban travelers

- Proven Smooth Efficiency - We designed a custom testing mechanism to analyze bumps at even the smallest frequency to increase comfort and vision

180

options:Crimsom/Slate Grey/ Medium (55 - 57 cm)

This bag is perfect as your everyday backpack, which can fit for 14" laptop, an IPAD, A4 files, books, magazines, as well as many accessories

while advanced noise reduction features help limit wind turbulence around the shell