100% Cotton FR-treated fabric for comfort and durability|Built to last heavy-duty brass snaps and grommets|Mesh side vents|Dual reflective chest straps|Cell/Radio pocket with hook-and-loop fastener|Safety D-ring slot access on back|14" zippered pack across entire back area|8 pockets with hook-and-loop fastener (5 outside; 3 inside)|Brass grommets on lower front pockets for surveyor tape dispenser |Long ruler slot pocket on left back