DETAILS Designed specifically for women,this hike inspired Siren Alloy Toe work boot is built with COMFORTBASE™ footbed technology for shock-absorption and cushion,and our Air Cushion+ heel to toe air-ride system,your ultimate in lightweight cushion. FEATURES • Nubuck and breathable mesh upper • COMFORTBASE™ contoured design footbed with breathable foam cradles your foot in all day comfort • COMFORTBASE™ rubberized EVA midsole for increased shock absorption and cushion • Bellows tongue keeps out debris • Protective and abrasion resistant rubber heel and toe cap • Breathable mesh lining • Molded nylon arch shank for midfoot support and flexibility • Alloy safety toe for lightweight protection; rated ASTM F2413-18 I/C • EH rated ASTM F2413-18 • Oil and slip resistant rubber outsole; Mark II tested • Merrell Air Cushion+ heel to toe comfort in this air-ride system with strategically placed lugs for the ultimate lightweight cushion • Merrell M Select™ GRIP rubber tunes each outsole with durable traction that grips when and where you need it • Heat resistant outsole provides foot protection for brief periods of direct contact that meet or exceed 500 °F • 5mm lug depth • Weight: 2lb 3oz / 996g