1.There is 1-3 cm difference according to manual maesurement.
2.Please note the slight color difference should beacceptable due to the light and screen.
The back of the ventilation design.
S type ergonomic design, fit back lumbar spine, widened shoulder strap design,
High density memory cotton filling, reduce the lumbar spine and shoulder bearing capacity.
Strong waterproof performance, abrasion scrape resistance.