A construction-level breakdown of why men’s rashguards rip at the underarm first, what seam types actually hold up under no-gi grips, and how to spot a durable build before you buy.
The best rashguards for BJJ and grappling in 2026 aren’t decided by fabric alone — ADCC, PGF, Polaris, and IBJJF each enforce different rules on sleeve length, fit, and patches that determine what you’re actually allowed to wear on the mat.
Most ear guards that fail on the mat aren’t bad gear — they’re the wrong fit. Here’s how to size, test, and break in an ear guard so it stays put through scrambles.
Ear guards aren’t just a training-room decision. What you’re allowed to wear on the mat at a tournament depends on rules most competitors never read until check-in.