ANTELOPE.CALF-GUARDS are the perfect training supplement for exercising your calves. They each have two silicone electrodes that additionally stimulate your calf muscles during training. Made of breathable compression material with 54% polyamide, 36% polypropylene, and 10% elastane, the ANTELOPE-CALF-GUARDS are sure to fit comfortably. The electrodes are supplied with electricity via the BOOSTER and the free ANTELOPE.APP serves as the central control unit. This app has special training programs for Strength, Endurance, and Recovery along with other important information. You can also control your calf muscles individually via the ANTELOPE.APP, thus effectively promoting build-up of your muscles there.