The hard-working, hard-won glory of the Frye engineer, here in its most classic form. A sloping, split collar and broad front strap are tributes to the labors of generations past. Made in the USA. Old Town, Greasy, or Crazy Horse leather upper (depends on color)UnlinedRubber outsoleMade in USASize and Fit9 1/4" shaft height13" shaft circumference1 1/2" heelMeasurements based on size 6 - Our Mid-Calf Engineer Boot Offers The Same Classic Styling As Our Taller Options, With Adjustable Buckled Straps Across The Vamp And Atop The Shaft. This Unique Tan Was Developed To Promote A Worn Appearance.