Underwear Co Men's Thermo-Flyte LS Top - Black - L

From head-to-toe, SAXX keeps you covered. Because the entire body deserves a boost, SAXX engineered the ThermoFlyte Top, a comfortable, high-performance, half-zip first layer. The ThermoFlyte Top features an ergonomic design for a functional fit and range of motion into a warmer top package for those seeking a first layer.