The Vest Guy medium wedding photographer vest (Black Mesh) features 10 pockets to carry and protect all your valuable gear. It comes with a hydration sleeve to put your 2-3 Liter Hydration System in. It also has one camera sling included. It has a convenient carry handle. The two lower cargo pockets are 10x3.5x7". It has both inside and outside zipper pockets. The upper pocket is great for cellphone and tablet pocket on the back of the vest.