... ) Suede cow leather 1.8-2.0mm ,with treatment against the penetration and absorption of water ,breathable .3) Nylon ,1000 D ... inner sock , U shape design for max comfort ,anti-microbe.8) Rubber sole , anti-slip ,hard wearing .9) Padded design on ... and manufacture products customized to your specifications and designs. (3)Experience Authorized by Chinese government, under the Ministry of General ...