Your workout routine doesn't need to stop when the sun heats up or the mercury takes a dip. The secret sauce? A revolutionary Ripstop™ shell paired with Polartec Power Grid™ fabric, which, despite the fancy name, works overtime in both high heat and low temps. It'll regulate your core temp, fend off odor, and, thanks to its 4-way stretch, offer unrivaled mobility. This industry-leading over zip was designed with Tu Lam, a veteran with 23 years in the U.S. Army and 18 years in the Special Forces, to ensure performance in every session and in every condition. So say goodbye to the days of adjusting your 'fit mid-run or feeling restricted during your weight-lifting session. This midlayer champions the perfect balance between lightweight comfort and rugged durability. Lightweight and high-performance midlayer developed with members of the U.S. Special Operations Forces
