The speed strike 2 provides the comfort and protection of a hiking shoe, while also delivering a faster, more athletic style than traditional hikers. packed with 100 percent recycled materials from the laces and webbing to the mesh lining and footbed cover, as well as a 50 percent recycled removable eva foam footbed, all atop of a merrell sticky rubber outsole with durable traction that grips when and where you need it.