Spitfire Formula Four Multiball OG Classics 99d 54mm Dgk Josh Kalis The Nyjah 4 still prioritizes

The Nyjah 4 still prioritizes a flexible fit

Brushed Tricot Fixed Lining

Evolved Fit for Mobility and Comfort

Rubber pods jut through the upper for visible durability

Spitfire Formula Four Multiball OG Classics 99d 54mm Dgk Josh Kalis The Nyjah 4 still prioritizes99a Durometer More speed and control on all surfaces. Unmatched flatspot resistance. Smooth, anti stick ride. High rebound compound. Formula Four Urethane Formula Four urethane is unlike any other. Both in the streets and under high speed stress tests in Spitfire's lab, Formula Four wheels retained more material, coned less and kept their original shapes and sizes longer than any other wheel. Classic Shape The #1 shape in skateboarding worldwide