Mizuno Men's Wave Daichi 2 Trail Runner 100% Textile and Synthetic Imported Rubber sole Concave Wave technology for stability and protection on any surface Midfoot X-groove for an enhanced and adaptable ride on varying terrain Michelin rubber outsole with twist lug technology for enhanced traction and grip 3-D Fit Upper with strategically placed straps for a dynamic, supportive fit. Flat, stay tied laces