1Concealed zipper breasted design, easy to put on and take off, convenient to go to the toilet. 2Widen waist with memory cartilage, wearing no marks, no curling. 3Gauze and silky fabric stitching design, comfortable and breathable. 4Lace trousers, fit the skin tightly, good elasticity, not rub skin. 5Double-layer cotton bottom crotch, soft and breathable, hygeian and health.