Hellow guys, Welcome to my website, and you are watching [사이언스&라이프] 보온성과 개성 동시에 살리는 '패션' 속 과학 / YTN 사이언스. and this vIdeo is uploaded by YTN 사이언스 투데이 at 2021-12-07T17:12:06-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.