evo.com | The North Face Vests > The North Face ThermoBall(TM) Vest packs synthetic insulation that mimics the warmth and loft of down but keeps working when wet, making it the perfect core-warming layer for unpredictable mountain weather. This versatile vest compresses small enough to live in your pack year-round while delivering instant warmth when you need it, providing that goldilocks insulation for high-output activities where a full jacket would turn you into a sweaty mess. Regular Fit Body 20D 44 g/m^2 WINDWALL(TM)-100% recycled polyester with non-PFC durable water-repellent (non-PFC DWR) finish Lining 30D 52 g/m^2 WINDWALL(TM)-100% recycled polyester Open-End VISLON(R) Center Front Zip with An Internal Draft Flap and Chin Guard Cinch-Cord at Hem with A Cord Lock on Each Side for Adjustability | The North Face ThermoBall(TM) Vest Men's 2026 - X-Large Brown | Polyester