The one and only. The Engineer 12R is a tribute to the hardworking American, it has become a cult-like favorite of bikers and hipsters alike. Crafted with Greasy Leather, this boot gets even better with age. Made in the USA and sourced from domestic and imported products. Whether paired with faded jeans or a silk midi dress, the Engineer is all attitude.broken in Pre-owned condition. signs of wear to heels and throughout. see pictures for best description.