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Circulight® Infrared (IR) Technology

Designed in partnership with our team of scientists, doctors and engineers, Circufiber socks feature our patent pending Circulight® IR technology to improve circulation in your feet and lower legs.

All Circufiber products have received the APMA (American Podiatric Medical Assocation) Seal of Acceptance. To earn the Seal, each product is reviewed by a group of APMA podiatric physicians to ensure that it promotes foot health. The committee also reviews product safety and quality control standards. The Seal further reinforces the therapeutic and health benefits of Circufiber socks.

Features & Benefits

Circulight IR™ technology helps promote an increase in circulation.
The FDA has determined that products powered by our Circulight IR™ technology are medical devices as defined in section 201(h) of the Federal Food, Drug and Cosmetic Act and are general wellness products.
Unique Show-Safety™ footbed shows evidence of ooze or bleeding when wearing dark socks
Moisture wicking technology keeps feet dry and comfortable.
Anti-microbial properties kill bacteria and other microbes to keep your feet healthy.
Made with low-friction particles to reduce the risk of blisters and hot spots.
Engineered padding has been clinically shown to reduce pain, blisters, moisture, and pressures.

What Consumers are saying

Make it available to everyone...

Make it available to everyone with Type 2 diabetes.

- Billy J., 59, Insulin Resistant

Helped my ankle swelling

I have really enjoyed the Circufiber socks. It was amazing to come home from work and not have swollen ankles and feet. That alone makes me want to keep wearing them.
I was amazed by how much they helped with ankle swelling. I looked down and saw that my trim ankles were back!

- Abby S., 44, Pre-Diabetes

Pillows for your feet!

The first time I wore them it was like putting a pillow on my feet.

- Vinita J., 31, Type 2

Reduced my Pain

They have had a significant impact on reducing my diabetic pain.
I was very impressed with the socks and how quickly they improved my nighttime symptoms.

- Carl P., 58, Type 2

Recommended to my friends

I have noticed less numbness in my feet and these socks are very comfortable.
I have recommended them to friends with diabetes.

- Ann M., 63, Type 2

They don't fall down my leg

First of all, they are very comfortable and are well made. I love the overall softness and the elasticity is perfect. I pull them up and they stay up!

- Edward J., 70, Type 2

Meet The Scientists and Medical Professionals Behind Our Socks

Dr. Matthew Capozzi


Dr. Capozzi is a board-certified foot surgeon through the American Board of Foot and Ankle Surgery. He is a Diplomate of the American Academy of Wound Management and Fellow of the American College of Foot and Ankle Surgeons. He completed a three-year residency program in Foot and Ankle Reconstructive Surgery at St. Francis Hospital & Medical Center in Hartford, CT in 2010. Dr. Capozzi is a board-certified Wound Specialist® granted by the American Academy of Wound Management. He is also board-certified in Foot Surgery through the American Board of Foot and Ankle Surgery.

Dr. Adam Mayerson

MD, Yale New Haven Hospital, Yale School of Medicine

Dr. Mayerson currently serves as the Associate Chief of Medicine at Yale New Haven Hospital and as an Associate Professor at Yale School of Medicine. He has been practicing endocrinology and internal medicine for 20 years and has been consistently named to Connecticut’s Top Doctors list throughout his career. Dr. Mayerson received his medical degree from Albert Einstein College of Medicine and completed both his residency and fellowship at Yale. He is currently the lead investigator on Circufiber’s clinical trial at Yale studying the benefits of Infrared textiles on people living with diabetes.

Dr. Franklin R. Polun

Founder, National Capitol Foot and Ankle Center DPM, FACFAS, DABFAS

Dr. Polun is a board-certified ankle and foot surgeon serving patients in the greater Washington D.C. metropolitan area. Dr. Polun is the founder and director of National Capital Foot & Ankle Center. He serves as a Diplomate of the American Board of Foot and Ankle Surgery, and is a member of both the American Podiatric Medical Association and the Maryland Podiatric Medical Association. Dr. Polun is consistently ranked among the top doctors in the greater Washington D.C. metropolitan area and has been named one of America’s best podiatrists by the Consumer Advisory Board.

Dr. Mei X. Wu

MD, PhD Wellman Center for Photomedicine, Harvard Medical School

Dr. Wu is a researcher at the Wellman Center for Photomedicine at Massachusetts General Hospital and an Associate Professor of Dermatology at Harvard Medical School. A native of Guangzhou, China, Dr. Wu completed her post-doctorate fellowship at MIT and Dana-Farber and has worked on photomedicines for more than 15 years. Her lab studies the cellular and molecular mechanisms underlying the beneficial effects of near infrared lights on wound healing and anti-microbial activity of blue light in pre-clinical studies.

Erin Kelly

M.Ed, RN, BSN, CDCES, Joslin Diabetes Center

Ms. Kelly currently serves as Clinical Manager of Educational Services at Joslin Diabetes Center and is an accomplished Registered Nurse and Certified Diabetes Care and Education Specialist. Erin has over 10 years of experience as a diabetic educator as well as medical and surgical experience in orthopedics, public health, home health, school nursing and endocrinology. She is also a Certified Insulin Pump Trainer and member of the Association of Diabetes Care and Education Specialists (ADCES).

Kim Rose


Ms. Rose is a registered dietitian nutritionist who specializes in diabetes-related health and wellness concerns for underserved populations. Her inclusive approach and philosophy revolve around “making nutrition easy and attainable”. Kim addresses common and complex food and wellness topics for the general public and health professionals alike. Kim has a decade of professional experience and dedicates her time counseling clients in her private practice.

Dr. Kevin Wilk


Dr. Kevin Wilk has led a distinguished career as a clinical physical therapist for the past 33 years and is a leading authority in rehabilitation of sports injuries and orthopedic lesions. He has been a significant contributor to laboratory research, biomechanical research and clinical outcome studies, with over 200 published articles and book chapters.