겨울철에 다른 신체들은 옷을 둘러 입으면 따뜻해지잖아요.근데 발은 신발만 신고 있게 되는데 되게 추운데 이게 보온이 중요하나 싶어서요. 그리고 혹시 하신다면 어떻게 하시나요