Product DNA The Fundamentals Fitted: Next-to-skin without the squeeze Unique hybrid stripe construction delivers amazing breathability & comfort Signature Moisture Transport System wicks sweat to keep you dry & light Lightweight, 4-way stretch construction improves mobility & maintains shape Ergonomic flatlock seams allow you to move free without fear of chafing Shaped hem delivers enhanced coverage without looking big & bulky Classic racerback unlocks astounding range of motion Reflective logos deliver greater visibility on low-light runs Imported