CoolMesh Venting System that provides 60% more airflow and increased heat dissipation M-Flex Defense System: Features a back-of-hand impact defense system with 130 integrated flex points and ventilation for breathability. Goatskin Leather Palm: Leather palm delivers superior abrasion resistance; Ideal for metalworking, machining and other tough jobs. High-Visibility Design: Improve safety with high-visibility design; Bright green color is easy to see, even in low-light environments. Reinforced Stress Points: Reinforced thumb saddle and other stress points help improve durability at critical wear points; Long-lasting design.