7L Donation

British design brand 7L recently visited the archive and donated the 415-L7 Down Parka, which is from their A/W19 Trek collection.

The parka is made using Bluesign® approved technical fabrics developed by Schoeller® Switzerland. The 415-L7 Down Parka is constructed with Schoeller® wb-formula and c-change technology.

It is filled with 800 FP Grey Goose Down, Sustainable Down Source (SDS), certified by Responsible Down Standard (RDS). The garment’s outer shell uses ultrasonic welding to create the chamber-like texture of the 415-L7’s exterior. This process applies high-frequency ultrasonic acoustic vibrations to the main outer fabrics under pressure to weld layers of fabric together.

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