Otherwise, the two shoes sport similar features, including: dual-density TPU inserts and Stinger III spikes with a Q-Lok receptacle.
The Classic Hydromax's Hydromax leather upper offers exceptional water resistance while providing high-quality comfort to the top of the foot. Its dual-density TPU inserts allow the Classic Hydromax to provide long-lasting and consistent comfort and support as well as lightweight flexibility. Meanwhile, the Classic Hydromax's Q-Lok spike receptacle allows users to add or remove spikes with only a quarter turn and a snap.