Why does Sea to Summit include an IDFL certificate with down sleeping bags? Why does Sea to Summit include an IDFL certificate with down sleeping bags?

Why does Sea to Summit include an IDFL certificate with down sleeping bags?

Sea to Summit was the first company to provide a consumer-facing test report showing the exact fill power of the down, along with its content (clusters, down feathers and other materials). The testing is conducted at the independent, third-party International Down and Feather Laboratory (IDFL). If you have any questions about the test report provided with your down sleeping bag, reach out to us here

Add comment

Article is closed for comments.