Innovative design ideas can be explored from the following aspects: 1. Intelligent temperature control system: • Combined with wearable technology or

1. Source of raw materials and recycling Regenerated down refers to the collection and processing of discarded down products, such as old

When camping in the mountains on a cold and windy night, having a warm dinner and adequate sleeping bags becomes essential. If

. To keep warm and comfortable when getting into your sleeping bag, you can fill a water bottle with hot water and