An evolution of the original f-lite series, the f-lite 235 allows an athlete to challenge any workout with more flexibility, durability, and versatility. The ultimate training shoe for ultimate competitors, the versatile f-lite 235 features 360-degree rope-tec for burn protection, a 40 percent denser heel unit for stability, multi-directional outsole flexibility, a seamless toe bumper for burpee protection, and increased cushioning.