Thin, but just as tight. Ultralight calf sleeves are 25% thinner than CEP 2.0 calf sleeves but still feature our performance Enhancing progressive compression technology. CEP proprietary compression profile is clinically proven to improve performance, prevent injury, and reduce micro-trauma to the muscles in your lower leg. By increasing circulation the muscles are fueled with more oxygen and nutrients, giving you more power and control during active use, and helps to prevent overuse injuries. Say goodbye to shin splints. CEP high-tech compression fibers wrap around the leg over 300 times. This gives your calf muscle maximum support and stability, and prevents Micro tears in the connective tissues that cause shin splints. The ultralight material is designed for warmer, more humid climates. When you start sweating, air will hit any moisture that has been pulled from the surface of your skin. This creates a cooling affect that can reduce skin temperature up-to 6 degrees Fahrenheit.