Was at Costco yesterday (Denver area) and saw they had the in-reach mini for $320 and it comes with one free month of the subscription. Doesn't appear to be on their website.
Ebay has some knockoffs
https://www.ebay.com/itm/Emerson-ARC-Tactical-Knee-Pads-Army-Combat-Durable-Protector-Sports-Knee-Caps/254378748413?hash=item3b3a27a9fd:g:86sAAOSwigxdQVrZ
I use this in my short bed Silverado along with my wife's backpacking pad and sleep pretty well.
https://www.camptime.com/products/green-table-with-adjustable-legs