You wear them under your jeans. They are very light and comfortable. I normally wear Levi jeans size 32 x 34, and the Knox pants I got in size medium. they fit great in the waist, but could have been a inch longer, which isn't that critical depending on the type of boots and socks you wear.

Tom

Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety. Benjamin Franklin, US author, diplomat, inventor, physicist, politician, & printer (1706 - 1790)