1, modal underwear has better breathability and sweat absorption than graphene underwear.

2. Compared with graphene underwear, modal underwear is more comfortable and light, which can be closer to the skin and better meet the needs of consumers for comfortable wearing.

3. The price of modal underwear is more close to the people and more cost-effective than graphene underwear.

4. To sum up, modal underwear is better than graphene underwear.