Our down jacket is made of water-resistant fabric, which is a type of down jacket with waterproof function. The outer layer is made of high-density water-resistant fabric, and the inner layer is made of high-density coated fabric with warp and weft yarn. This type of down jacket is usually composed of 80-85% white goose down and 15-20% white duck down, providing excellent insulation performance. ‌ 
The feature of Tillbuy's waterproof fabric is that it can resist the infiltration of rainwater to a certain extent and keep the interior dry. This fabric is commonly used to make outdoor clothing, such as hiking gear, fishing gear, etc., and is suitable for use in harsh weather conditions. Therefore, it is not recommended to wash with water frequently.