ZERO23 Haarlem
Pieter van Musschenbroekstraat 117, 2014 HV Haarlem
About
ZERO23 in Haarlem combines personal training with a clear focus on boxing-based coaching. Its website highlights school boxing, bringing technique, conditioning, discipline, concentration and confidence together for young participants. The studio is active across Facebook, Instagram and LinkedIn, and has 105 Google reviews with 96% five-star ratings.
- Personal trainer
See also: How to Choose a Personal Trainer in Amsterdam