Product Feature: - Lightweight design,much more comfortable. - High utilization of the main storage space,can be easily put some daily necessities, clothes and sporting goods. - Works as a daypack as well, just enough space for IPAD. - Breathable and not muggy, air flow channel design. - The waterproof nylon fabric,provent the items inside from being wet,also anti-scratch. - Adjustable shoulder strap and waist strap to fit your need.