Carhartt Men's Ground Force 6-Inch Work Boots CME6055 Non-Safety. End the day as strong as you started with the Ground Force boots from Carhartt. This boot features Carhartt's comfort footbed made with Insite Technology, engineered with maximum arch support to reduce foot fatigue and support you all day long. Combine that with breathable waterproof protection and a grippy, rubber outsole and you have a yourself a true workhorse of a boot. For maximum comfort throughout your workday, put your trust in Carhartt.