With the Trail Glove 7, Merrell remains a leader in the barefoot category. The key innovations include a more natural foot positioning for a truly minimalist feel, a Vibram EcoStep outsole that wraps around the foot for maximum support, and a minimalist midsole made from our best FloatPro foam. We have integrated our FLEXconnect bidirectional flex grooves into the midsole for improved ground contact. The total height of these shoes is 14 mm. Experience barefoot running with the Trail Glove 7. The Trail Glove 7 features a slightly more cushioned midsole than the Vapor Glove 6, making it a better choice for runners who desire a bit more support. Upper material: 100% recycled breathable mesh. Laces and fabric made from 100% recycled material. Continuous tongue to prevent dirt entry. External loop at the back secures the heel. Breathable mesh lining made from 100% recycled material. Insole wrapped in 100% recycled mesh. NXT coating to prevent odor. 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 consistently light and comfortable running experience. Vibram EcoStep Recycle outsole made from 30% recycled rubber for durability and optimal traction on wet and dry surfaces.