TERRAIN
The SPEK journal. Built outside. Tested outside.

L'ÉQUIPEMENT
Cycling Sunglasses Built for Sweat, Wind and Speed
What makes a good pair of cycling sunglasses: helmet hold, a lens matched to speed, fog control, and a lightweight frame. STRYVE II or KOVO?

What is a high-contrast lens?
A high-contrast lens brings out the detail by filtering out the in-between wavelengths of light. Here is how...

What is a photochromic lens?
Photochromic lenses darken in full sun and lighten under coverage. Here is how EVO+™ technology works and why...

What is VLT?
VLT, or Visible Light Transmission, determines a lens' tint. Here's how to read the S0 to S4 categories...

Tremblant, conquered.
Thank you to everyone who wore SPEK at IRONMAN Tremblant. Congratulations to our athletes.

