Men X-Bionic Base Layer | Running Pants Black/Charcoal

Optimize Your Running Performance With The X-Bionic® The Trick® 4.0 Running Pants Men. The New 4.0 Generation Is The First To Feature The Retina® Ultra-High Definition Quality For Maximum Accuracy Of Functionality.NNthe Patented The Trick® System Is Unique: It Tricks Your Brain In Order To Save Your Warm-Up Time And To Improve Your Performance. How? The Trick® Creates Heat Zones Along The Spine In Order To Activate Heat Sensors. These Sensors Signal