Noiseless surface fastener member, noiseless surface fastener combined with the noiseless surface fastener member and product attached with the same noiseless surface fastener member or the same noiseless surface fastener

A noiseless surface fastener made of fiber comprising a combination of surface fastener members each of which has a joining face and multiple engaging elements made of fiber at any one of a front surface and a rear surface of a flat base material composed of fiber structural material, wherein

• apparent density of the base material of each fiber surface fastener member to be engaged is 0.5 g/cm3 or less, and at least the flat base material of one surface fastener member has a substantially uniform fiber density on an entire surface thereof.

A noiseless surface fastener made of fiber comprising a combination of surface fastener members each of which has a joining face and multiple engaging elements made of fiber at any one of a front surface and a rear surface of a flat base material composed of fiber structural material, wherein

• the base material of at least one fiber surface fastener member to be engaged has multiple weaving or knitting structure which is one of woven or knitted in multiple layers through joining threads and has gaps between respective layers,
• apparent density of the base material of the other fiber surface fastener member to be engaged is 0.5 g/cm3 or less, and the apparent density of at least one layer including a base layer from which the engaging elements erect in said one fiber surface fastener member having the multiple weaving or knitting structure is 0.5 g/cm3 or less.

25-30. (canceled)