After seeking out affordable long underwear, I came upon the Duofold product line. By description, this item seemed to be the perfect choice for the type of use it would see from me. Upon receipt, I discovered that silk-weight was quite thin. I put a pair on and found it to be too snug with the waist band tending to roll at an annoying level. So, my conclusion is that for me the product was too thin, too tight and not the sort of thing I would be comfortable in for prolonged periods. Craftsmanship and quality of material was quite good... be so advised.