Lambskin lining is very soft, as is the leather upper. They really fit like a glove. When I first tried them on I found them to be a little narrow, but that turned out to be a good thing as they are more stable and don't roll on a heeling deck. However, at this price I was concerned they would be submerged in salt water, which indeed happened last weekend. They dry well, without stiffness. Obviously they are well lubricated with oil and do not absorb water. I've swum in relatively warm weatherβ¦