r4 Racing Mathematics t-shirt

r4 – Racing Mathematics Collection
Ride. Race. Recover. Repeat.
The r4 Collection by Jonez Boyz Racing Apparel is built for the people who live the cycle—not just the sport.
Ride. Race. Recover. Repeat.
Four words. One mindset.
Inspired by the rhythm of racing culture, the r4 (Racing Mathematics) line represents the formula behind performance, discipline, and passion. Whether you're carving streets, chasing tenths at the track, or building the next move in the garage, r4 speaks the language of dedication.
Built on clean performance styling and aggressive race-inspired design, this collection blends premium streetwear energy with authentic motorsports identity.
Features
Premium DTF print construction
Signature r4 performance logo
Metallic silver and JBRA neon performance yellow colorway
Oversized race-inspired back statement print
Soft premium fit designed for comfort and everyday wear
Built for racers, riders, and performance-minded culture
This isn’t just apparel.
It’s Racing Mathematics.
Built on numbers. Driven by passion.