【Water-Repellent Technology ≥ Level 4】The fabric undergoes professional water-repellent treatment with a level of 4 or above, effectively resisting light to moderate rain and snow. Water droplets roll off the surface quickly, keeping the interior dry and easily coping with changeable weather. 【-20℃ Professional Cold Resistance】Tested in specific environments, this down jacket can cope with severe cold as low as -20℃. Provides solid and reliable warmth protection for outdoor activities in deep winter or travel in cold areas. 【90% High-Quality Duck Down Filling】The core filling is 90% high-quality duck down with high down cluster content and excellent fill power. This means stronger static air retention, heat-locking efficiency far exceeding standards, lightweight and warmer. 【Cute O-Shaped Silhouette Design】Adopts loose O-shaped cut, combined with enlarged brim and flexible hunchback design. Not only provides better wrapping, windproof and warmth retention, but also creates a cute and playful silhouette, loosely fitting various body types. 【700+ Fluffy & Clean Down】The down has a fill power of up to 700+ and a cleanliness level of over 1000. The down clusters are clean and full, the heat-locking air layer is thicker, the warmth retention efficiency is higher, and odors are effectively reduced for a fresh and comfortable wearing experience.