What does the NFL do with the throwback uniforms and equipment when they switch back to the regular unifroms?

Specifically, what do the San Diego Chargers do with their uniforms and helmets after they wear their powder blue uniforms and the different helmets?

The alternate/third uniform can only be used twice bro.

As I understand it, any equipment not being used anymore goes to NFL auction, the proceeds going to various charities and such.

Alternate or throwback uniforms can be used 3 times a season...at the end of the season most teams will have a sale of the used equipment or uniforms....other teams auction off the stuff for charity...each team is different.

What are the items for a high school football equipment checklist?

What website can you go on to order football equipment, like visor that go on your helmet?

Where can I buy pro-model nfl equipment football gloves. I don't mean the ones on eastbay...i mean the rares.

I passed up the only opportunity i had in life?

What does the NFL do with the throwback uniforms and equipment when they switch back to the regular unifroms?

What is a good website to get football off season conditioning equipment (especially for corner backs)?

Where can i find out how much the average NFL players equipment weighs?

Terrell Owens was accused of rape, woman claimed she said no when she saw how big his sex equipment was?

Does the NFL invest enough time and money to assure a rapid expansion of American Football In Europe and asia?