A cut-resistant 3 layer aramid lining, making the boots chainsaw proof Heavy-duty aluminum safety toe cups protect the toe box A Vibram Teton outsole using an anti-static rubber compound adds safety and provides proven maneuverability and performance on the mountain, no matter the conditions, while also enabling excellent performance as a lineman boot Full, around-the-boot rubber rands protect the uppers and the foot for added durability Gore-Tex Performance Comfort membranes guarantee breathable, waterproof performance for the life of the boot The double-density PU wedge insole optimizes the mix of weight performance and durability Zamberlan Logger Pro GTX RR Work Boots - Men's, Black, 11.5, 5011BKM-46-11.5