Tired of hard landings on your existing Judo, BJJ, or MMA mats? The Fuji Mat Underlay delivers an instant upgrade with 10mm of high-density, closed-cell foam cushioning—softening throws, reducing joint impact, and extending mat life—all without replacing your trusted top surface. Featuring a double-sided moisture barrier, antimicrobial protection, and easy roll-out install, it's the affordable retrofit that makes your current setup feel brand new. Perfect for Australian gyms craving extra comfort on a budget.