Sun blocking net is an oxymoron.
OP - those look like Safari Straps. Excellent product. Had them 3+ years and they still look brand new. Don't be tempted to get the cheap Smitty cargo net- it falls apart.
Cargo Net | Cargo Netting | Jeep Nets - Safari Straps
I think the white could actually be a Hothead liner or something along those lines.