The Eclipse Lowland Kitbag design comes with some great features as standard like the unique Bag Lock System which can be used with a combination lock (not supplied) to protect your Kitbag/Marker & contents from opportunist thieves. It has two compartments. The main compartment is big enough to cram in loads of gear and also has some handy large internal zip pockets. The protective formed EVA lid also has some neat pockets and a clear document holder. The side compartment is great for keeping your clean gear separate from your dirty stuff or just for more dirty stuff! Your choice.