These gloes are new from Combat Sports International. It is constructed from top quality premium grain leather which makes it durable and comfortable. It has been filled with patented IMF foam. This foam will absorb and disperse the vibrations and shockwaves from repeated impacts. This will protect your bones and joints from damage and fatigue. The gloves also feature the patented new D.U.R.A LOK system. This system will ensure that the gloves fit securely and comfortably even during intense training or sparring sessions.