KEEN Utility Men 10D Work Boots Waterproof Philadelphia Carbon Fiber Hard 9.5d The KEEN Utility Men's 10D Work Boots are designed for maximum protection with a waterproof construction and carbon fiber hard toe. These boots meet electrical hazard (EH) safety standards and are crafted with a medium width for comfort. Made in China, these boots are durable and reliable for those in need of personal protective equipment in a work setting. With a focus on quality and safety, these boots are a practical choice for those working in challenging environments.