Muck Boots Chore Xpress-Cool Safety Steel Toe Classic Work Boot - Men's Brown 5. Find out for yourself how we are giving Sweaty feet the boot Specifications for Muck Boots Chore Cool Safety Toe Classic Work Boot - Men's: Manufacturer: Muck Boots Gender: Male Age Group: Adults Men's Shoe Width: Medium Boot Style: Work Boot Activity: Safety Weight: 2.75 lb Fabric/Material: Rubber Insole Material: EVA Water Resistance Level: Waterproof Footwear Upper Fabric/Material: Rubber/Neoprene Insulation: EVA Midsole Material: EVA Outsole Material: Rubber Lining Material: Moisture Wicking Footwear Type: Boots Features of Muck Boots Chore Cool Safety Toe Classic Work Boot - Men's 4mm NEOPRENE bootie with four-way stretch nylon100percent waterproof light-weight and flexible Upper is triple reinforced in the toe area and quadruple reinforced in the heel area Steel shank for additional arch support Sockliner lining to reduce friction and heat build up ASTM F2413-11 MI/75 C/75 EH Package Contents: Muck Boots Chore Safety Toe Classic Boot - Mens Muck Boots CSCT-STL-BR-050: Chore Xpress-Cool Safety Steel Toe Classic Work Boot - Men's Brown