Far Infrared (FIR)
Engineering advances over the last years have provided new techniques and fabrics for delivering FIR to the human body, completely eliminating the near and mid infrared bands and even narrowing down the FIR range.
0.7– 1.4 μm
1.4– 3.0 μm
Far Infrared/IR-C 3.0– 1000 μm
All provided info is based on a study reference,published in the National Library of Medicine in 2012: