Ive been in plenty situations where summer + sweat-wet + evening or colds gets cold real quick. Add in situations like too tired to quickly get off the 40F peak

Ive been in plenty situations where summer + sweat-wet + evening or colds gets cold real quick. Add in situations like too tired to quickly get off the 40F peak + windchill, it can get dicey real quick. Same with a wet cotton shirt sailing. On and on. In the 80’s wool hiking gear used to be around for this reason too. I’d never feel appropriate recommending cotton for anything serious, any season.