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JOURNAL

THE THINKING BEHIND THE TOOL.

Notes on heat, recovery, palm cooling, and the moment between efforts. Long-form context for what we are building and the science behind it.

Showing articles tagged Heat & Performance · Clear filter

Athlete using KYLA palm cooling devices between sets to manage heat buildup and maintain performance during high-intensity training

Heat & Performance

When Does Performance Actually Drop During a Workout?

Most athletes think performance loss is only muscular fatigue. In reality, heat accumulation and incomplete recovery begin shaping output...

May 11, 2026 · 3 min read

Athlete between efforts during high-intensity training illustrating thermal fatigue and performance drop between sets

Heat & Performance

Why Performance Drops Between Sets

Learn why performance drops between sets during training, how heat accumulation affects output, and why thermal fatigue can reduce perfor...

May 11, 2026 · 3 min read