RDX Maya Hide Leather Heavy Boxing Punch Speed Bag Gloves MMA Punching Mitts Kickboxing Sparring Muay Thai Martial Arts Supremo-Shock Foam based padding on knuckles wrist-joint along with shock dissipating gel lining between padding Quick-EZ hook and loop closure with extra-long strap provides enhanced wrist-support and a snug fit Resilient Maya Hide leather construction makes these boxing gloves stubbornly durable and long-lasting Strategic perforations provide ventilation and breathability for hand Curved mold with advanced high-quality T1-stitching makes these boxing gloves highly durable and long-lasting  perfect for heavy-bags