Durable arch shape delivers long-lasting support Tough yet flexible puncture-resistant plate optimizes comfort and protection Tapered forefoot improves fit in work footwear Moisturewick top cover helps reduce odors and keeps feet fresh SuperRev foam guards against stress and strain Stay protected and stay comfortable, even in the toughest work environments. Superfeet Work Puncture Resistant insoles deliver the underfoot protection you need with a tough yet flexible plate that helps guard against sharp hazards. The SuperRev foam layer cushions and supports the foot, helping reduce fatigue from walking and standing on unforgiving surfaces. A tapered forefoot improves the fit specifically in safety toe and roomy work footwear, while the Moisturewick top cover helps keep feet cooler and fresher all shift long. Designed to replace the removable liner in professional work boots and safety footwear.