Boxing gloves are cushioned to defend the athlete against the increasingly heavier focuses of striking other punching bags,these are the gloves most recommended by trainers for all boxing training, especially for non-sparrers. Sparring gloves are designed to guard both athletes during practice bouts. Professional fight gloves are also designed to protect both fighters, but are generally less padded. Sparring gloves may range from 14 oz to 20 oz, while bag gloves, amateur and professional fight gloves range from 8 to 10 ounces.Small, padded boxing gloves used when hitting a speed bag or heavy bag. The speed bag version usually does not contain padding.