Metro Paks are quick working, easy-to-transport bags that have a body-hugging design and are as durable as nails.Tenba provides a 2" wide, padded adjustable shoulder strap that has a non-skid liner made of golf glove material. The bag itself is made from a waterproof and rugged nylon. All sides are thickly padded with closed cell cross-linked foam - plus an additional layer of protection is added to the bottom. Velcro is placed all around the inside rim to place an attach movable inserts where you wish. The inside of the bag is 9" tall to accommodate longer lenses. The internal dividers have smooth sleeves to facilitate cleaning. The top flap is longer than usual for better weather protection. A rear outside pocket can hold papers, maps, etc. In addition, there are four extra side pockets for smaller items such as film, filters, etc. Four D rings allow you to attach accessories such as the optional Backpack Harness and Waist Belt.Metro Paks have four compatible bottom-padded inserts which you can use to customize the applications of the bag. The Metro Pak inserts have lining on all sides that closes with a Velcro flap so you can control the placement of the foam padding.