8 Recommended "Down Jackets" Under 30,000 Yen Reasonable & High Functionality!
A down jacket is a must-have item for winter . It is lightweight and warm, so it is easy to use, and it is popular with people of all ages because it can be used for daily activities and outdoor activities.
Down jacket: check FP (fill power)
When choosing a down jacket, check the FP (fill power). FP is a unit that expresses the swelling of feathers. The higher the FP number, the better the heat retention, and it is said that the down is warm and of good quality.
In general, 600 to 700 FP is considered high-quality down, and 700 FP or more is considered high-quality down. If the FP is large, the down jacket can be made with a small amount of down, resulting in a lighter garment.