@hazardwarning A friend of mine was an intra-state truck driver, he had to use sunscreen with an extreme SPF and long-sleeved shirts plus a broad-brimmed hat to avoid sunburn - he claims a Fitzpatrick Scale of 0.
Because of those measures he also needs vitamin D medication.
Things are a bit easier for him now, he drives school buses & reckons it'll be his last job before retirement.