With the Trail Glove 7, Merrell remains the leader in the barefoot category. Key innovations include more natural foot positioning for a truly minimalist feel, a Vibram EcoStep outsole that wraps the foot for optimal support, and a minimalist midsole made from our best FloatPro foam. FLEXconnect bi-directional flex grooves have been integrated into the midsole for improved ground contact. The total height of these shoes is 14 mm. Run barefoot with the Trail Glove 7, which has a slightly more cushioned midsole than the Vapor Glove 6, making it the better choice for runners who want a little more support. Upper: recycled breathable mesh. Laces and fabric made from recycled material. Full-length tongue to prevent dirt from entering. External loop at the back secures the heel. Breathable mesh lining made from recycled material. Insole wrapped in recycled mesh. NXT anti-odour coating. Integrated insole made from 30 % recycled EVA foam. With the Merrell Barefoot 2 construction, the foot assumes a natural position. FloatPro foam midsole for a lasting lightweight, comfortable ride. Vibram EcoStep Recycle outsole made from 30 % recycled rubber for durability and optimum grip on wet and dry surfaces.