1, different fabrics. The fabrics used for trousers are cotton and polyester. This fabric is soft and comfortable, but it has no elasticity. It is brushed, so it is very warm. The fabric used for sweatpants is generally polyester, which is elastic and thin and suitable for spring and autumn wear.
2. Different versions. Pants are loose, mainly comfortable and loose, thick and warm, especially suitable for autumn and winter, and their appearance is very casual and lively. The version of sweatpants is generally self-cultivation, because it has the effect of absorbing sweat and drying quickly, so it is very suitable for sports.