Style, Material, and Purpose
There are significant differences in style, material, and purpose between swim trunks and underwear.
Style difference
The styles and designs of swim trunks and underwear are different. High waisted design swim trunks are usually used to prevent them from running out while swimming, while normal waisted design can be either swim trunks or underwear, but low waisted design is mostly underwear. With the development of the times, low waisted triangular swimming trunks are becoming increasingly popular because they are comfortable to wear and have low resistance when swimming.
Material difference
There are also significant differences in the materials of swim trunks and underwear. Underwear is usually made of all cotton fabric, emphasizing comfort and breathability, suitable for daily wear, but not waterproof. Swimming trunks are made of sturdy and elastic materials that are not tight, opaque, waterproof, and suitable for long-term wearing in water.
Difference in usage
Underwear is mainly used for daily wear, emphasizing comfort and breathability. Swimming trunks are specifically designed for swimming, with water absorption and quick drying properties, suitable for activities in water.