600D Polyester – D stands for denier which represents how many fibers are in the cross-section of the material. With a lower denier (like 420D polyester) the fibers are more fine, however not as durable or strong as a higher number like 600D polyester.

16.5 x 11.5 x 7"

Large main compartment that can hold 9.5” x 12” folders

Internal secure zippered pocket

Internal mesh pockets designed to hold lunch tickets

Front mesh drop pocket

Side mesh water bottle pockets

Youth-specific shoulder straps with easy-to-use sternum strap

Reflective safety piping

Comfortable, stitched foam back panel