Breathable nylon and mesh upper. Moisture wicking nylon mesh lining. MemoryTech foam removable footbed. Origami inspired Flexagon foam midsole with oil and slip resistant rubber heel and forepart pads. Flex grooves on outsole for added flex. XTR comp toe. SD with dual resistor technology. 100% metal free. ASTM F2413-18 M/ I/ C SD 10 compliant.