They allow for great freedom of movement

soft and flexible

Removable hood

95% Microfiber Polyester

Reflective Piping to Side Panels

Simply Judo - Backpack Size:One Size They allow for great freedomThe weather doesn't keep you from practice, and it shouldn't keep you from having dry gear. Whether this bag is resting on the ground or hanging on a fence, this backpack is here to handle less than ideal game and practice conditions. The provided rain fly helps with rain protection with Storm FIT technology, while mesh on the bag allows breathability and ventilation on those good weather days. Specifications: 90% POLYESTER 10% NYLON. Nike Storm FIT