The Power Gripz proprietary grips on fingers and palms offer maximum gripping capability – which means less drop zone hazards and increased efficiency. Top-grade cowhide leather with Kevlar stitching offers high level of abrasion-resistant quality that is hard to beat! For use with Insulated Rubber Gloves. Available in 10″ and 13″ sizes with adjustable pull strap. 40 cal/CM2. | Patent-Pending Grip | Kevlar Stitching | Top-grade Cowhide Leather | Adjustable Pull Strap Buckle Blocks 94% of heat penetration in EBT testing and meets or exceeds all ASTM F-696 (ASTM F-2675) standards for leather protector glove design Type: Low-Voltage Leather Protector Gloves Length: 10″ Use: with class 00/0 rubber insulated gloves Classification: ASTM F696 (ASTM F-2675) Sizes: 8-8.5, 9-9.5, 10-10.5, 11-11.5,12-12.5 (Click here to see sizing chart)