Stuff,
IIRC the new mark flying suits are made out of a newer model of Nomex which is normal detergent friendly, as opposed the old stuff which was supposed to be washed a "special detergent" that stopped the nomex breaking down.
The silicon boot polish is supposed to be less flamable than kiwi but not sure how much of a difference it actually makes!
(ps try setting fire to your issue watch strap and see how long it lasts...)