Rocky Alpha Force Steel Toe Boot - RKK0190. Rocky gave this mens boot plenty of safety features to support you on the job, and that includes making the entire boot puncture-resistant. Going beyond the outsole protecting against nails and other sharp object you may step on, the boots exclusive construction contains a puncture-reducing upper lining. This shield helps protect you against cuts to the entire top of the foot and ankle in environments with sharp contaminants. It's critical for those who work in industries and professions such as glass manufacturing, sanitation, debris removal, recycling, soldering and welding, environment protection, metal manufacturing, demolition, fabrication, waste management and landfill or any work environment with sharp debris, materials or tools.