No, sidewalls are not currently available for that product. We do have an 8 x 8 Caravan Canopy that has sidewalls available as a separate purchase.
From Page: Undercover 8' x 8' Sport-Packer Super Lightweight Aluminum Canopy Package with Blue and White Top
Manufacturer's Product Number: UC-3P8W
Our SKU: UCC-UC-3P8W
Page ID: ucc-uc-3p8w