League Cadets tend not to fit adult sized uniforms. The "salt-and-pepper uniforms give the unit more flexiblity in sourcing appropriately sized uniforms for these cadets.

Navy Working Uniform (NWU)	Battle Dress Uniform (BDU)

Escondido Battalion put together more detailed overview of the uniforms worn by both Sea Cadets and League Cadets. If you want specific regulation information, Details for each uniform are specified in the Uniform Manual inside  but this quick guide should give you an idea of which uniform is which.