US Patent 11058178 Moisture-permeable waterproof shoe having an upright velvet inner sleeve

A moisture-permeable waterproof shoe includes an upper defining an interior space, an inner sleeve inserted into the interior space and having a sleeve body made from a cut piece, and a sole fixed to a bottom portion of the upper. The cut piece includes an upright velvet layer having a plurality of pile yarns woven between a lining layer and an outer fabric layer of the cut piece, and has a main body with a front convex portion, and two wing portions each including a wing lateral edge connected to the wing lateral edge of the other wing portion, a front curved edge connected to a periphery of the front convex portion, and a rear mating edge connected to the rear mating edge of the other wing portion.