For shoes with GoreTex liner. The material combination and layering (wool, polypropylene, polyamide, lycra) has been constructed specifically for shoes with a GoreTex-membrane. Moisture is transported from the sole, toe and heel area to those areas where it can evaporate through the GoreTex-membrane. Material: 41% wool 41% Polypropylene 16% nylon 2% lycra