The Adidas "Pro training" MMA Gloves are for those that want light weight MMA Gloves with additional thumb protection. Weighing in less than 4 ounces these MMA gloves features our patented technology as well as additional thumb support. The glove interior is lined using our Proprietary I-COMFORT technology for a non-slip feature. The outer shell is real leather. We have also included a formed foam interior perfect for avoiding eye pokes, limiting damage to the hand, and durability.