The CEP Men's Progressive Calf Sleeves 2. 0 promotes blood flow in muscles to support excellent circulation whether you're a runner, biker, triathlete, or a cross trainer. This means that these sleeves give you more energy, greater endurance, and less soreness, particularly if you suffer from shin splints. Its nylon and spandex blend manages moisture, breathes, and utilizes odor reducing silver ions for an antimicrobial performance. These sleeves also feature comfortable top bands for a stay put fit, and they pair with short cut socks perfectly.