Rubber sole The Nike Legend Essential 2 comes equipped with a flat, stable heel, flexibility under the toes and side-to-side support. With loads of grip, you're ready to lift, HIIT, conquer a class or get stronger at the machines. High-abrasion honeycomb mesh and durable overlays on the back and sides give it grit to keep you going. The design helps brace your heel on top of a flat sole for stability during lifting and squats. Rubber wraps up the outside for support when moving side to side. Grooves in the sole under the toes keep it flexible for push-ups, planks and agility drills. Grippy traction keeps you moving on all types of surfaces you find in a gym. The Nike Legend Essential 2 comes equipped with a flat, stable heel, flexibility under the toes and side-to-side support The Nike Legend Essential 2 comes equipped with a flat, stable heel, flexibility under the toes and side-to-side support. With loads of grip, you're ready to lift, HIIT, conquer a class or get stronger at the machines.