Digi-marks Technology Company was established in 2005 and is lDigi-marks Technology Company was established in 2005 and is lDigi-marks Technology Company was established in 2005 and is Technician says, "women's backpack" and "male bag" system distinguishes between men and women according to the skeleton and reassemble the body structure. Many women when choosing a backpack only pay attention to color, style, ignoring the backpack carrying system the most important. In fact, women's bodies than men in General short, slim. Due to the physiology of the pelvic structures, women walking with hip swing characteristics, while the female pelvis is larger than the male, if you accidentally select the men's backpacks, belt appears don't laminating, compresses the chest, shoulder strap bag is too long, unable to shoulder the weight transfer to hip problems, and cause problems such as diseases of the spine.more>>