I found a source for the boots. As Heinz said, they are motocross boots. They're Terra by Forma in brown. https://www.formabootsusa.com/collections/dual-sport-adv-boots/products/terra
The hat looks like it might be something like a ball cap with a "legionnaire" cap over it that had the bill removed. The hat is also called a cachelot. I found one that looks close, but the links from the image seem to be bad.
Are these the gloves? Roland Sands Dezel gloves. I searched for "ribbed motorcycle gloves."
https://www.revzilla.com/motorcycle...-xqtobZ6dgCQyQqrPmbVt4vCfyKqnEzhEgaAjE28P8HAQ
Can't say for sure. Guess we'll have to wait for better ref in the film.Anyone have any idea what pants Tennessee is wearing? Or if that's a zipped down jumpsuit he's wearing?
David`s flare gun looked pretty cool, couldnt tell if was based on something from today but it did have a nice Prometheus Weyland logo.