Nithtke NSRL

The Nithtke Sports Research Lab (NSRL) uses science and technology to help create gear that keeps runners running. On the Nithtke NSRL Trousers, a lightweight, articulated design will help keep you moving freely. When you need to layer down, the trousers pack into the back pocket. They're tailored to match what our athletes wear to help you reach your personal best.

• Standard fit: easy and traditional

• Full length: falls below the ankle