The 800g Jacked Javelin Weighted Plyo Ball is the competition-weight training tool designed to replicate real javelin demand while protecting the arm. Built to last, this plyo ball can be used against any wall or surface, all year long. Perfect for male javelin throwers looking for a ball with their exact javelin competition weight.

✅ Competition Specific – Matches the men’s javelin standard weight.

✅ Builds Velocity & Power – Train the kinetic chain under true load.

✅ Durable & Reliable – Reinforced shell resists damage.

Essential for throwers who want to train smart and throw farther.