Wool cotton trousers are warmer. Wool cotton trousers are made of wool and cotton, but cotton cotton trousers are made of single cotton. Wool cotton trousers use more materials and have better warmth retention.

The greater the density of cotton in cotton, the better the air permeability and the better the heat dissipation prevention effect. The density of wool trousers is 1.32g/cm3, and that of cotton is 0.3g/cm3. Wool cotton trousers are denser and have better warmth retention effect, so they are warmer.