Semi compressed felt mixture in a wool and synthetic mixture, the weave provides added resilience and performance for optimum pressure absorption.1 Sheet approximately 22.5cm x 45cm A mixture of 70% wool and 30% viscose, providing a cost effective alternative to pure wool felt. Helps cushion your feet and protect areas from stress and pressure. Highly compressible with instantaneous recovery, ideal for light cushioning. Hapla Fleecy Foam provides a smooth surface next to hosiery.