The uniform is an important part of the Scouting program, especially for the youngest boys just starting their boy scout trail. It identifies the boys and adults with their appropriate den and gives them a sense of belonging to the den, the pack, and the Boy Scouts of America. Scouts enjoy wearing their uniform. They should wear it to all den meetings, pack meetings, and special pack activities.

The current uniform for a Cub, introduced in August 2004, is the official blue Cub Scout shirt with rank neckerchief and neckerchief slide. The official Cub cap and blue web belt with a appropriate rank buckle finish the uniform.  Official BSA tear away shorts are optional.  

The Uniform Inspection Sheet has insignia placement guides.
If you wonder where a patch goes, it is probably a 'temporary' patch. See Scouting FAQ page for help - it can be displayed on the right pocket, red vest, wall display, or shoebox.

The uniform shown is known as the Field Uniform. The Activity Uniform is a Scouting-related T-Shirt that is designed by the pack. These two uniforms (Field and Activity) are often referred to as Class A and Class B uniforms.