The material which looks like Tyvek is breathable and feels soft. It helps to prevent down from leakage. It can be used as lining of high-quality down coats and down sleeping bags.
The material which looks like Tyvek is breathable and feels soft. It helps to prevent down from leakage.
| The material which looks like Tyvek is breathable and feels soft. It helps to prevent down from leakage. |