50% off REI Heavyweight Half-Zip Fleece Top

Winter is no match for the men's REI Heavyweight Half-Zip Long Underwear Top. Polyester fleece traps heat close to the body so you stay warm while skiing, hiking or running in cold temperatures.

• Long underwear top can also be worn as an outer layer in mild weather; a durable water repellent finish sheds light rain
• Lightweight, breathable polyester features a fleeced interior to trap body heat and circulate it next to skin for lasting warmth
• Half-zip opening allows easy ventilation when you start to overheat