Stretch-fit topline binding snugs let to keep warmth in and cold out. Fleece-lined, 5mm CR flex-foam bootie with 4-way stretch nylon. 100% waterproof, lightweight and flexible. Comfort range of -40 degree to 60 F (degree Fahrenheit). Double reinforcements on the instep, heel and achilles areas. 2 mm (millimeter) thermal foam underlay added to the instep area for additional warmth. No. ASP000-8: Boot Size: 8, Material: Rubber, Height: 16.67, Color: Black, Interior: 2 mm Thermal Foam Underlay, Steel Toe?: Reinforced Toe-Wrap-up Bumper, Pkg Qty: 1, Package Type: Box No. ASP000-9: Boot Size: 9, Material: Rubber, Height: 16.93, Color: Black, Interior: 2 mm Thermal Foam Underlay, Steel Toe?: Reinforced Toe-Wrap-up Bumper, Pkg Qty: 1, Package Type: Box No. ASP000-10: Boot Size: 10, Material: Rubber, Height: 17.17, Color: Black, Interior: 2 mm Thermal Foam Underlay, Steel Toe?: Reinforced Toe-Wrap-up Bumper, Pkg Qty: 1, Package Type: Box No. ASP000-11: Boot Size: 11, Material: Rubber, Height: 17.42, Color: Black, Interior: 2 mm Thermal Foam Underlay, Steel Toe?: Reinforced Toe-Wrap-up Bumper, Pkg Qty: 1, Package Type: Box No. ASP000-12: Boot Size: 12, Material: Rubber, Height: 17.68, Color: Black, Interior: 2 mm Thermal Foam Underlay, Steel Toe?: Reinforced Toe-Wrap-up Bumper, Pkg Qty: 1, Package Type: Box<p>Country of Origin: USA and/or Imported