This is a great topic and question.
Let's first talk about the boards. A silicone board is what I would use. It has no cloth or other material backing. The silicone is all the board is made of and will therefore resist water and stains from above and below.
The problem with a vinyl board is the cloth backing that can get pretty dirty and stained. And I agree that a mousepad board will get too dirty, one of mine did.
Now, let's move on to the pieces. I would look for a triple weighted plastic set that has pretty wide bases and won't tip too easily.
Of these I would look at this one from The Chess House:
http://www.chesshouse.com/3_3_4_Commander_Staunton_Chess_Pieces_p/e150.htm
Look at how wide those bases are.
Here's one from ChessUSA, also known as Your Move Chess and Games:
http://www.chessusa.com/product/61-206.html
And here's one from The Chess Store that looks good:
https://thechessstore.com/protourney-plastic-chess-set-black-camel-pieces-3-75-king/
When it comes to the clock, I think you would want a clock with a very visible display. If you don't mind the touch sensors, I would look at the ZMF-II. It's less expensive than the others. The LED displays are pretty easy to see and it looks to hold up with use. I used to own one. Personally I would go for the white number display if you can find one, great contrast.
The ZMF Pro actually was the first clock I thought of for this. The only problem might be the higher cost and still the touch senosrs instead of buttons.
If you want buttons, I would get a Chronos GX. Wholesale Chess has sales where the cost of this clock is downright low. I know because I bought one last Labor Day weekend when they had a sale, and I paid in the 80 dollar range for mine.
Of course you will want a bag to hold it all, but all the places have them pretty cheap.
Good luck and let us know what you get.
I'm going to be playing significantly more blitz and bullet chess in less clean spaces, including on stone tables outdoors. Does anyone have some recommendations for durable chess pieces, boards, and clocks for speed chess? I paid an arm and a leg for my VTEK clock, and I obviously don't want to carry that all over the place, and risk having it knocked off a table in a slap battle. Suggestions as far a durability and whatnot? I figured most of you will suggest simply getting a vinyl roll-up board. (My current board is a mousepad board, and I obviously don't want that catching preliminary raindrops when playing outside, or anything like that... and I imagine car exhausts make the mousepad boards blacken quickly.)
Thanks for suggestions.