FETER is a high quality, thin, dense felt. Fetter insoles are durable and warm. Wearing them all the time helps to keep your feet clean and maintain healthy feet.
Very good heat retention and breathable. The felt absorbs moisture and prevents unpleasant odours. The insoles do not slip inside the shoe and guarantee
foot comfort during walking. Suitable for all types of footwear.
The main ingredients are fetter.