Asics Netburner Professional FF 4 (B Standard) Womens White Sky reflective the Mafate Speed 4 makes The durable design will the Mafate Speed 4 makes its debut Dual composite construction and internal shock absorbing frame for unbeatable mouth protection and comfortable fit The revamped upper material together with the internal panel construction in the midfoot provides improved midfoot support for better stability during quick movements New design to forefoot and rearfoot flex grooves in the outsole improve stability in change of direction while allowing the flexibility required for faster transitions and smooth movement