known from GDR times
upper synthetic felt
Outer Material: synthetic felt
Inner Material: synthetic felt
Sole: felt sole
Material Composition: synthetic felt
Felt slippers with felt sole "light duty", Upper made ??of synthetic anthracite colored or gray felt, 10mm thick breathable insoles for a dry foot environment, made ??with a high proportion of manual work, so long as its durability and service life, normal width and flat heel, good for a normal instep and a normal to stronger foot, very comfortable to wear on your feet.
Felt slippers "Light" house shoes unisex adult sizes 36-47 - B00NRU36RE