Alex Tzelnic

Look around any running event and you’ll notice a sea of five-panel hats, the latest fashion trend to go viral in the endurance scene. What’s behind its popularity?

One of the world’s leading kung fu masters has trained the Wu-Tang Clan, Björk, and Wesley Snipes. Running is central to his training. Here’s why. 

Science has proven the performance benefits of caffeine and exercise, but companies are now upcycling coffee grounds to weave them into running apparel. Here’s the scoop.

Wool, fleece, Polar-grid, and waffle knit: here’s the science behind certain fabrics that keep you warm and comfortable in a variety of conditions.

From Bill Murray to hip hop icons, trail shoes and apparel is catching fire on some of the biggest stages. Here’s a look behind the crossover trend.

His newest book, Discipline Is Destiny, has essential lessons for committing to a lifelong pursuit of running. 

There’s a new trend in trail running eyewear and it’s large, fluorescent, and retro. But how? But why?

The waste that comes from athletic gear and apparel is a structural problem, but individual actions still matter.

The world of recovery gear is a wild, wild west. Here’s your complete guide. 

In 1969, we put a man on the moon. Now two brands are weaving moon-worthy innovations into performance gear.