Dual-density EVA foam midsole The Evolution Black is the next generation of protective athletic footwear from SOLID GEAR. The unique dual-density EVA foam midsole provides comfort at a much higher level. Never before has a safety shoe been so close to a sports shoe. The seamless upper provides the Evolution Black with fantastic breathability results. SOLID GEAR also utilizes the recently developed NANO protective toecap. 40% stronger than fiberglass, lighter than other materials used, and thinner than other metal-free protective soles. The use of PU-foam Sock Technology makes the footwear provide the highest comfort in its class, and compliance with the anti-slip SRC class guarantees the highest level of slip protection. Upper: Lightweight seamless ripstop fabric for maximum breathability and TPU reinforcement. Outer sole: Non-slip oil-resistant rubber Midsole: Dual-density EVA foam Insole: Highly breathable, moisture-absorbing and PU foam Cut: Wide Sizes: 36-48 Safety standard: EN ISO 20345:25XL S1P, SRC Protection: NANO protective instep and soft metal-free toe contact area