Standing the test of time, Colorado is the epitome of a classic boot. It's no fuss and no frills - just timeless design, hardworking traction, and boundless resilience. This updated design boasts a comfort upgrade with greater padding in the collar and a moulded insole. A Strobel construction ensures increased flexibility as well as reducing waste, whilst a sharper and slimmer shape offers an improved fit. The Colorado from Caterpillar features a black nubuck upper, textile lining and a notched rubber outsole. It is both robust and comfortable. Full-grain leather and padded upper collar Durable rubber outsole for traction Soft EVA foam footbed for longwearing comfort.