The bare essentials: camera, memory cards and few accessories. Top opening gives fast, easy access to the camera. Advanced Holster S is designed to carry and protect a medium-sized DSLR camera body with wide angle lens attached, like a 16-35mm lens,and few accessories. There are 2 side pockets for small accessories and an interior Modular Media Pouch for memory cards or batteries. The bag is carried by a handle, a detachable shoulder strap or belt connection loops.