Thorogood Men's 1957 Series 8" Steel Toe USA Made Waterproof Work Boot - 804-3898 FeatureHeat Resistant Outsole Anatomical Last follows the foot's

Anatomical Last follows the foot's natural shape

so there's no SD rating to compromise by swapping it

What is D3O®

and the redesigned Vibram Quarry outsole make this a serious all-around work boot

Thorogood Men's 1957 Series 8" Steel Toe USA Made Waterproof Work Boot - 804-3898 FeatureHeat Resistant Outsole Anatomical Last follows the foot'sMid Century Style, Rugged Crazy Horse Leather Enjoy the classic, hard working style of mid century America in this re issued 1957 Series safety toe boot. Built in the USA, this boot is a smart look with your work uniform or your favorite weekend clothes. Sturdy Goodyear storm welt construction means worry free wear for years and easy re soling over the lifetime you'll own these boots. The MAXWear 90 outsole provides traction on slippery surfaces like