These are serious training shoes. There's a leather on the top of your foot to keep you stable, flex grooves on the bottom so you can move, and Charged Cushioning for max impact absorption. All you need to do is work.. Lightweight mesh upper with textured overlay details delivers complete breathability. Dual-external heel counter hugs for your foot for added stability. Leather, mid-foot saddle provides comfortable support. Cushioned sockliner molds to your foot, eliminating slippage & providing ideal underfoot comfort. Charged Cushioning midsole absorbs impact & converts it into a responsive burst. Full rubber outsole with strategically placed flex grooves for multi-surface traction & flexibility. Offset: 8mm. Weight: 10.6 oz.. Lace type: Standard tie.