120 million hikers, one footprint. By using partially recycled materials, these special-edition colors of our best sellers are a step Merrell is taking to offer running shoes that tread lightly on the trails we love.The 6th version of our famous minimalist shoe is designed to mimic the shape of the human foot, keeping it in the position it would be in without shoes. Version 6 features and improved fit and increased abrasion-resistance. Compared to the prior version, Version 6 features a little additional support, a slightly thicker sole, and increased abrasion-resistance. It’s a great option for someone looking to transition into barefoot styles.For barefoot veterans looking for the full-on experience, then we suggest the all-new Vapor Glove 5.