Bogs Slate Mid CT Work Shoes - Men's Black 10. Theyre as heavy-duty as they are light-weight. And with the Rebound cushioning and flex width insole system they're as comfortable as they are tough as nails. Specifications for Bogs Slate Mid CT Work Shoes - Men's: Manufacturer: Bogs Gender: Male Age Group: Adults Men's Shoe Width: Medium Color: Black Toe Type: Composite Toe Fabric/Material: 46.4percent Textile/34.7percent YPU/18.9percent Leather Weight: 2.16 lb Odor Control/Anti Bacterial: Bogs DuraFresh lining Insole Material: BLOOM algae-based EVA Outsole Material: Rubber; slip- and chem-resistant Midsole Material: Rebound EVA Midsole Features of Bogs Slate Mid CT Work Shoes - Men's BioGrip outsole designed with maximum surface area for slip resistance Rebound cushioning in the midsole provides all-day comfort and energy return Breathable textile upper for temperature regulation DuraFresh natural bio-technology activates to fight odors BLOOM eco-friendly algae-based EVA footbed that helps clean polluted water habitats Asymmetric composite toes custom built for each size that meet ASTM standards Package Contents: Bogs Slate Mid CT Work Shoes - Men's Bogs 78989CT-1-10: Slate Mid CT Work Shoes - Men's Black 10