Merrell Men’s Gridway Leather Sneakers NEWNew without box Live off the grid with Gridway 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.N