The Serious+ 6 Inch Waterproof Composite Toe Met Guard Puncture-Resisting Work Boot Is Designed For Ultimate Protection So You Can Focus On The Job With Confidence. The High-Tech Nano Composite Toe And Met-Guard Help Protect From Heavy Loads And Impact, While The Goodyear Leather Welt With Puncture-Resisting Insole Board Helps Prevent The Intrusion Of Sharp Objects Underfoot. Waterproof Leathers And A Dri-Lex Lining Provide A Comfortable Environment Inside The Boot, And The Vibram Alpha Plus Outsole Delivers Oil- And Heat-Resisting Durability.