1, velvet padded thermal underwear is soft, more comfortable to wear, can better fit the body curve, and will not feel bloated. Down underwear, on the other hand, is fluffy because it is filled with down, so there will be gaps in it and it is not close enough.

2, velvet padded thermal underwear can be directly washed with a washing machine, drying and storage is also convenient. Down underwear needs special cleaning and maintenance methods. You can't wash it in the washing machine, you need to wash it by hand or dry-clean, just add velvet and thick thermal underwear.