Regular Width Rounded toe Lace up closure Rubber outsole Experience A Fresh Take On Puma's Fast Viz Tech Range With The All-New Voltaic Evo. Featuring 10Cell Technology For Ultimate Comfort And A Tpu Shank For Added Stability, The Voltaic Evo Keeps You Supported All Day. The Outsole Offers Full-Length Rubber Coverage For Superior Traction, While The Upper Is Equipped With A Tpu Toe Cap For Durability And A Unique Cage Overlay For A Distinctive Lacing System.