Running Room Men's 1/4 Zip

Front:95% Polyester/5% Spandex

Back/Sleeve/Side: 88% Polyester/12% Spandex

The combination of two fabric construction makes the running 1/4 zip top perfect for cold weather .  Engineered volcanic polyester is designed to absorb infrared and reflect back to your core. Super stretch brushed back fabric around your back and arms are designed to offer insulation without overheating the body.