New Balances Fuse2 V2 TPU spike is made with a combination of features that help keep your game on point. Its unique upper is designed with a lightweight but durable protective toe that's fused on, resulting in less bulk than traditional overlays. Its unique upper features a durable protective toe that's fused on so that you feel less bulk. Underfoot, a responsive REVlite midsole sits above a gripping TPU plate to help you play your best.