You track load.You track edge size.You track rest times.But if you don’t track temperature and humidity, you’re missing a key variable.

Yesterday, February 14th, the climbing world celebrated the 62nd birthday of the man who literally wrote the book on modern training: Eric Hörst.

Every climber knows the sound. That tiny pop, followed by the realization that your project season might be over. But recovery isn't just about rest; it’s about controlled, measurable stress.