Two-piece upper design with TPU welded split seam creates an adaptive fit Breathable perforated tongue reduces lace contact with the tops of your feet, which means no uncomfortable hot spots Signature leather heel pull tab for easy on / easy off Performance anti-slip resistant laces Internal molded heel counter for stability and support Slip resistant gum rubber outsole maximizes grip and traction on a variety of training surfaces A more natural sensation underfoot, delivering excellent ground feel 9MM drop, the perfect pitch for multi-use cross training and stability while lifting in the gym Custom PU Foam sockliner with heel sidewall that molds to the foot provides maximum comfort, support, and cushioning, as well as moisture wicking