The Keen Women's 6" Vista Energy Mid Internal Met Boots with Carbon Fiber Toe are designed with durability, comfort, and safety in mind. Ideal for women working in demanding environments, these work boots provide the protection and support needed to tackle any job with confidence.Product Features:Internal Metatarsal Guard: The ASTM/CSA-certified internal metatarsal guard is flexible and lightweight for all-day comfort, yet hardens upon impact to protect your feet against sudden hazards in demanding work environments.Nylon Shank for Midfoot Support: The nylon shank provides excellent midfoot support, enhancing stability and reducing foot fatigue, making these boots perfect for long hours on your feet.Reflective Webbing for Safety: These boots feature reflective webbing, increasing visibility and safety during low-light conditions, ensuring you are seen no matter the hour.Oil- and Slip-Resistant Outsole: The non-marking rubber outsole is not only durable but also provides exceptional oil and slip resistance, meeting ASTM F2913-19 SATRA non-slip testing standards to keep you steady on various surfaces.Mesh/Synthetic Upper: The upper portion of the boot is crafted from a breathable mesh and synthetic combination, providing a lightweight feel while promoting airflow to keep your feet cool and dry.Secure Fit Lace Capture System: Designed for a snug and secure fit, the lace capture system ensures your boots stay tightly fastened, providing additional support and stability during strenuous activities.Trust the Keen Women's 6" Vista Energy Mid Internal Met Boots with Carbon Fiber Toe to deliver unmatched safety, comfort, and performance. Feel confident and secure in every step you take on the job site.Mesh/synthetic upper, Carbon fiber safety toe, Oil- and slip-resistant non-marking rubber outsole, Electrical hazard (EH) or Electric Shock Resistant (ESR) footwear provides a secondary source of protection, ASTM/CSA-Certified, internal, metatarsal guard is flexible and lightweight for comfort, but hardens and protects upon direct impact, Reflective webbing for additional safety and visibility, Nylon shank for midfoot support and removable metatomical PU footbed, Meets ASTM F2412-18 and F2413-18 F I/75 C/75 EH standards ; Meets ASTM F2913-19 SATRA non-slip testing standards ; Meets ASTM F1677-96 Mark II non-slip testing standards ; Meets ASTM SATRA TM31 material abrasion testing standards, Outsole and midsole meets ASTM D471-06 903# oil and isooctane chemical resistance standards, Secure fit lace capture system,