Live off the grid with Gridway Mid Leather. Designed with Super LITE / a Merrell-exclusive LITE leather made by ISA TanTec / sustainable EVA midsole / and a Vibram® EcoDura™ outsole to ensure you're treading lightly. According to ISA TanTec / by utilizing Super LITE leather / for each pair of Gridways made / nearly 10 liters of water is saved and enough energy to light a lamp for 94 hours.