HYROX Intel

Perspectives on the sport. Written by our Athletes, and our Founders.

Hyrox Intel

The Science of Breathability: How Fabric Moves Heat Off Skin

Breathability is a fabric's ability to move heat and water vapour off the skin, and it works through two routes, air ... more

What Does Moisture Do to Fabric During Repeated High-Output Work?

During repeated high-output work moisture adds weight, changes how a fabric drapes and, in an absorbent material, mak... more

Why a Fitted Chest and Relaxed Stomach Cut Performs Better

A fitted chest and relaxed stomach cut performs better because the top stays close where it needs to move with you, a... more

How Heat-Sealed Construction Removes Fabric Failure Points

Heat-sealed construction removes fabric failure points by bonding pieces together with heat and pressure instead of a... more

Why Do Ventilation Holes Get Laser-Cut Instead of Sewn?

Ventilation holes get laser-cut instead of sewn because a laser melts and seals the fabric edge as it cuts, creating ... more

What Makes a Fabric Sweat-Wicking, Really?

A fabric is sweat-wicking when its fibres and knit pull moisture off the skin and spread it across a wide surface so ... more