evo.com | Merrell Shoes > Merrell Siren Edge 3 Wide Width Shoes bring the same breathable TPU upper, Vibram TC5+ outsole, and Kinetic Fit TRI support as the standard Siren Edge 3, just with extra room through the forefoot for hikers who need it. Breathable Mesh Lining Molded Nylon Arch Shank Vegan-Friendly Merrell Air Cushion Heel Absorbs shock and adds stability. Breathable Mesh, Synthetic and TPU Upper | Women's Merrell Siren Edge 3 Wide Width Shoes 2026 - 8.5 Blue | Nylon