The SILENSTORM double zipper deformation pants are made of nylon mountaineering four-sided stretch fabric, which is stretched vertically and horizontally. It has a good fabric texture and breathability, moisture permeability, water resistance, and abrasion resistance. It adopts dynamic fit tailoring, a comfortable version, stretches straight lines, shows the arc of the legs, and is loosely tailored according to the characteristics of outdoor sports muscles and joints. The waist uses a special resin quick-release buckle, which is easy to use. The left and right sides are designed with a long zipper of the lotus system, and the zipper can be changed to any trouser shape after the zipper is opened. The zipper adjustment adopts a high-elastic mesh fabric to open the zipper. On the basis of changing the shape of the trousers, the effect of ventilation is also transmitted. The trouser shape can be adjusted according to personal needs. The use of functions is ever-changing, highlighting individuality without losing functionality.