Zipper closure. Chest rig pouch is made of high quality oxford material, durable and sturdy, the weight just 8.46oz, the size is 23cm x 3cm x 14cm, suitable for daily travel, walking the dog, shopping, etc. The chest pack is large capacity can put your phone, radios, pens, paper and tissue, ID and bank card, power bank , earphones, front pocket can hold your goods and meet your daily life. The shoulder straps is fit more people(men or women), You can adjust the length of the straps to suit your needs, comfortable wearing and convenient storage, chest bag is portable. This chest running pack is suit for outdoor sports-hiking, walking, running, camping, workouts, fishing, chest bag is lightweight and Makes you comfortable to carry, it can be as a chest bag, chest pack, running pack, tactical fanny pack and chest pouch.