The PROADAPT ALPHACAT combines a new multi-material traction system with premium technologies to give you the Alpha of all spikeless footwear. Textile and synthetic upper. Textile lining and insole. ADAPT foam in the midsole with EVA material and styrene. PROADAPT multi durometer traction synthetic outsole. Composite safety toe. Lace closure. Collar-attached cushioned tongue with brand logo. Lugged platform. Thermoplastic polyurethane shell. Low-boot construction. Brand logo on shank. Imported. Measurements: Weight: 11 oz Product measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size.