I was a little concerned that the LW version of Senna wouldn't be as nice. To be clear, it's not quite as refined as the standard Senna - you can tell a difference, but that's only on close inspection. If you're on the fence due to material, but prefer a color only offered in LW, don't hesitate.
The fit is exactly what I was looking for. The LW and standard Senna fit exactly the same - see my review on standard Senna for more detail.
I'm sold on K&F! I'm sure I will buy more!