No refunds or exchanges will be issued for Final Sale items and they will not be sent back to you. Please double-check that none of your return items are Final Sale before sending them back.
All Final Sale items are noted on the website in red font next to the price tag and again with a notice during checkout.
Here, the Final Sale notice is posted on the Product Detail Page:
Here, the Final Sale notice is posted in the cart:
Here, the Final Sale notice is posted twice at checkout: