CEP launched in 2007 as the sportswear brand to its parent company, medi. Based in Bayreuth, Germany, medi has been a world leader in pharmaceutical and medical compression since 1951, developing orthopedic and phlebology products. CEP uses the same medical-grade compression in its compression socks, while also developing performance wear for any workout. Our German-engineered products are designed and produced to the highest quality standards in collaboration with renowned scientists, sports physicians, pro athletes and designers. CEP products integrate over 70 years of research and development, meaning you are getting the best in compression wear. Each product undergoes 16 rounds of testing to ensure the compression level is up to our standards. On top of that, all CEP products have advanced materials & an anatomical fit, sport-specific cushioning, moisture & temperature control, and targeted support so you can work out with confidence. The moment someone puts on one of our socks, sleeves or support products, their faces light up when they instantly feel the support and relief. The ability to help people feel better, and to give them the confidence to live life in comfort, is the reason why CEP has been around for so long and is loved by so many. From treating plantar fasciitis, to helping relieve shin splints, to providing superior comfort, CEP is always there to help you. 4.0 sleeves provide a comfortable and functional fit for athletes looking to enhance performance. Reduce swelling and muscle soreness with the perfect compression sleeve. Compression increases circulation and delivers more fuel to muscles for elevated endurance. Knit design improves air flow over the skin and helps to moderate body temperature with cushioning. Premium fabric and materials ensure your sleeves stay put during runs. The Run 4.0 Calf Sleeves Ultralight Calf Sleeves Reflective Calf Sleeves The Run 4.0 Tall Socks Ultralight Tall Socks Infrared Recovery Socks The Run 4.0 Mid Cut Socks