Mesh upper for breathable comfort and laced-in framing for support. Low-cut design for an emphasis on mobility and range of motion. Big Zig midsole is 40% higher in the heel to cushion and add momentum. Low-to-the-ground forefoot design helps to maximize acceleration. Ortholite sockliner provides instant comfort and cushioning underfoot. Zoned high abrasion rubber on the outsole for targeted reinforcementReebok