Made of 60% cotton / 40% polyester material. Mesh lining on back only (matches outer shell). 3 slits vented back. Double zipper front closure. Tab with single snap closure at waist, tab crosses over zipper. 16 front pockets with zipper, and hook and loop closures. Tab with d-ring on front right breast pocket. 2 large interior front pockets (hook and loop closure). 4 interior mag pouches w/hook and loop flap closure. 1 interior rear pocket with zipper closure. 1 exterior rear cargo pocket w/three hook & loop closures. Adjustable waist with tabs (hidden in rear cargo pocket when not in use) attach to tabs with double d-rings on each side of waist. Small slits on each side, located at hem. GI - Government Issued style. Army style. Military style. Ideal for fishing, hunting, camping, etc.