Webelos are Scouts that are in 4th and 5th grade. The achievements change with the next level, however, the uniform is the same for both 4th and 5th grade Webelos!
The Arrow of Light Scout uniform has the following parts (They are all the same as the Webelo rank):
Scouts BSA Tan Shirt
Webelo Plaid Hat
Webelo Neckerchief Slide
Cub Scout Webelos Rank Colors (Yellow/Red/Green braid)
Scouts BSA Belt
Scouts BSA Pants/ Shorts