New DonJoy Adult Large Trizone Elbow Compression Sleeve for Soreness Black Pacific 100% Synthetic Leather Textile Synthetic sole 31 28:Red White Blue 100% Synthetic Leather Textile Synthetic sole One of the lightest weight baseball spikes on the market Synthetic leather upper with sprint web welded upper for lightweight support and protection Molded pu sock liner with textile lining for fit and comfort Sprint frame design for lightweight support Protrax 5x3 metal cleat design provides linear and rotational traction No size sticker on knob and a few marks on the grip strained tendons and weak ankles All natural carbonized bamboo is thermal regulating and anti bacterial helping eliminate odors Designed with reflective materials for enhanced visibility in low light conditions Universal fit allows the DonJoy Performance TRIZONE elbow compression sleeve to be worn on either the left or right arm Three zones of compression strategically placed around the ankle to deliver peak performance Silicone banding injected directly onto the sleeve adds medial lateral support to sprained ligaments