Lightweight & breathable synthetic & textile upper. Anatomically molded upper for enhanced fit. Welded forefoot overlay for protection. Molded tongue & vamp for adaptable fit, comfort & breathability. TPU toe cap for added durability & protection. External welded heel overlays for stability & protection. Molded Ortholite anti-microbial sockliner to prevent the growth of odor-causing microbes. ESS rock plate for protection, stability & incredible support. Lightweight EVA midsole for optimal cushioning. High traction rubber lug outsole for enhanced grip on a variety of surfaces.