Differences in design and appearance, materials and fillings.

1. Design and appearance: Camel down jacket 1.0 and 2.0 are different in design and appearance. There will be different styles, cuts and details, such as collars, cuffs, zippers, etc. Differences in design can affect appearance and feel.

2. Materials and fillings: Different versions of camel down jackets use different materials and fillings. For example, different fabric materials are used, such as polyester, nylon, etc., as well as different down fillings, such as goose down or duck down. The choice of material and filling affects thermal performance and comfort.