Strong 300D elasticated Oxford polyester shell fabric PU coated for light waterproofnessComfortable mesh at entire back part for full ventilationOne size fits all due to adjustable waist and shoulder straps (padded)Both zipper and buckle at frontMultiple pockets strategically placed in more layers??2 upper zipper pockets with inside retractors, 2 bigvertical zipper pockets at front with easy access, 1 sidezipper pocket, 2 large lower zipper padded box pockets with outside zipper and mesh pocketsSoftly padded sunglass vertical zipper pocketD-rings at shoulder and upper back for landing netBuilt-in retractors for various toolsInner 2 zipper pockets and 2 velcro pocketsPocket with zipper at lower back