High-Quality, Breathable Evofiber MicrofiberStrong and Secure N-1 Ratcheting Buckle (Replaceable)Offset Strap "D-Ring" at Mid-Foot Rubber Toe CapEaston EC70 Carbon Fiber SoleVibram Mont Molded Rubber High Traction Lugged OutsoleMid-Foot Scuff GuardSuperNatural Fit Kit with Adjustable Arch SupportAegis Anti-Microbial Fiber FootbedAccommodates Steel Toe SpikesWeight:335 grams (size 42.5)