With the Endurance Backpack, the adventure never has to end. This backpack allows you to be prepared for any occasion. Its lightweight, durable construction and 3-panel back padding provide endless comfort. Fit & Design: Multiple compartments for organization Padded laptop sleeve fits laptops up to 15" Organizer panel equipped with ID window, writing utensil slots, and detachable key fob Two large, stretch water bottle pockets Hidden, zippered back pocket to keep valuables safe Convenient cell phone pouch located on the shoulder strap Side clip to secure zipped pockets Banded straps and side d-rings 3-panel back padding for optimal carrying comfort Holds up to 34 lbs