Merlin bridges chalk and no chalk. A micro-diamond textured hypalon rubber composite that retains chalk if you use it and holds fine on clean bars if you do not. 2.1mm, in narrow and wide. Adaptable to any surface Merlin works across different pull-up bars, with or without chalk depending on the surface. The soft, flexible material stays comfortable through long sessions. Who they are for Athletes who want one reliable pair for training and competition across a range of bar surfaces, with the freedom to use chalk or skip it. Compare and complete your setup Training strictly chalk-free? See the Seal Grips or Seal Pro Grips. Prefer minimal bulk with chalk? Try the BumbleBee Pro Grips. Pair with Reyllen Wrist Bands for wrist comfort. Browse the full gymnastic grips range.