Knuckles formed from hard polymer for excellent protection Covered with aniline goatskin leather to buffer sound An additional layer of leather in the palms provides added protection during rapid rappels Back features a thick foam padding and ergonomically split to improve deterity Thick foam padding on the backs is ergonomically split to improve dexterity .8-.9mm thick cowhide leather construction makes them extremely strong and durable An additional layer of leather in the palms, provides added protection during rapid rappels, and unpadded index fingers allow maximum trigger control Hook and loop wrist closures ensure a snug, comfortable fit