We make these 80/20 alpaca/wool insoles or boot liners right here in our small fiber mill from locally sourced raw alpaca fiber. We wash and card the fiber into large batts, and needle felt them onto a 100% cotton backing for stability and increased durability on our cottage industry needle felting machine. The insoles are then cut to size individually on our small industrial die cutter. You can trim them to fit your shoes or boots perfectly. They absorb moisture and keep your feet warm and dry, while forming to fit your feet over time.