Featuring a 100% wool felt upper, the Haflinger API offers a premium comfort slipper with a removable footbed Your feet will enjoy the breathability, support and comfort that the API provides. The anatomically contoured footbed provides arch support and the felt lined insole helps to wick away any moisture maintaining a healthy environment for your feet. Warm wool-covered footbed is sure to massage your foot with each and every step. Anatomically correct, wool-covered cork and latex midsole molds to your foot for a cozy and customized fit. Lightweight rubber traction sole with a rocker heel offers reliable grip on a variety of surfaces.