Specification：
Internal structure: zipper pocket, mobile phone pocket, ID bag, sandwich zipper bag, computer pocket, camera pocket
Open way: zipper
Applicable gender: Male
Material: Nylon
Rain cover or not: none
Function: breathable, waterproof, wear-resistant anti-theft, anti-seismic, load reduction
A :logo
B : No logo
Size information：
31*13*44cm
