Design: Breathable, coated mesh upper and carved outsole create a lightweight feel Carved-out outsole for a lightweight feel In-Shoe Comfort: FuelCell foam delivers a propulsive feel to help drive you forward PU Foam insert offers long-lasting comfort and support Durability & Traction: Flexible, non-marking outsole features a multidirectional pattern to provide solid traction Toe drag tip provides exceptional durability in high-wear areas