Very comfortable, soft ones, which 90% of mine are. The exception are my seamless, tight ones for horse-riding, for obvious reasons.
Live in my jeans in Winter, with my RM's, comfort personified!
Amazing how a hard work outfit, originally made from sail-cloth, by Levi Strauss, for the gold miners' in California, has become 'de rigeur' wear for 20th/21st century man, woman & child.