The new Rush Mid Work is ready to move when you need to. The Rush upper is extremely lightweight and breathable, keeping you focused on your work, not on your feet, while the slip resistant outsole and composite toe deliver the protection you need on the job. ASTM F2413-18 rated Composite Safety Toe. ASTM F3445-21 rated for Slip-Resistant Outsole. Lightweight and durable rubber outsole is Oil Resistant. Padded collar for extra comfort and ankle protection. Welded TPU heel and toe overlays for extra durability. Athletic Last 11mm heel to toe offset for athletic performance and comfort.