Soft-shell pants for outdoor sports: generally used as outdoor comprehensive shells, they have the functions of keeping warm, preventing wind and weak precipitation, but they can't stand being caught in the rain for a long time.

Sweater pants: that is, cashmere pants, one is double-sided cashmere, which is generally used in lining, such as jackets; There is also a knitted fabric with velvet on one side and knitted fabric on the other, such as sportswear.