Oil Block Goatskin Leather Drivers Work Gloves TPR Back - This supple leather contains natural lanolin that helps create a very soft feel. Characteristics include the strongest tensile strength and excellent tactile sensitivity. The best combination of flexibility and comfort. The 36336 series features select grade grain brown goatskin leather, shirred elastic back, and keystone thumb. The padded palm provides greater comfort and impact/vibration reduction the palm. The TPR back offers level 1 ANSI impact protection. The 36336 features a unique oil blocking technology for use in oily environments.