背包背带设计不合理，带子总要往下掉，要么斜着勒肩膀，要么压着肩膀边上，背着肩膀疼死了。
L161AE01
L161AE04
L161AE03
L161BQ02
L161BQ01
L161BQ03
L161BR01
L161BR02
L161BR03
L162AA01
L162AB01
L162AB02
L162AC01
L162AC02
L162BS03
L162AD02
L162AD03
L162AF01
L162AG01
L162AG02
L162AG03
L162AG04
L162BS01
L162BS02
背包背带设计不合理，带子总要往下掉，要么斜着勒肩膀，要么压着肩膀边上，背着肩膀疼死了。