First manufactured in the 1950's, and still perfectly wearable to this very day. The Red Wing Chukka boot comes with a durable polyurethane outsole. This boot was designed for indoor work and the flexibility these boots offered was vital for the workers they were designed for. Made in the USA.  Leather type: Briar Oil Slick Leather | Leather care: Boot oil Construction: Goodyear Welt | Sole: Atlas tread outsole Sizing: Stay your true size  Code: Chukka Mens Boot