These are my go to liners for sub-3 hour rides. They have the right amount of padding and great breakthability. They're so comfortable, I'll often where them all day on a weekend when I know I'll get a ride in sometime during the day. Totally comfortable while hiking, lounging, etc.
Very low profile. The length of bar guidelines are a little misleading. At first I thought I could use any size bar, but then it seemed the feet would only fit a specific sized bar for my vehicle. Turns out you can use any size bar (provided they are long enough to span the roof) although directions are not very clear.