Style Profile ULTRA – Engineered for Uncatchable Speed. Establishing a new era of fast, ULTRA is our lightweight speed proposition designed to give players an advantage over the opposition. The ULTRA 4.2 Jr features a lightweight yet durable synthetic upper to create the ultimate weapon of speed at an affordable price point. Outsole Low-profile non-marking rubber indoor outsole. Suitable for use on any indoor surface. Upper Lightweight yet durable PU upper for support during fast-forward motion enhanced with emboss and print details.