Nike Men's Trail Polartec® 1/4-Zip Fleece Running Top Size:M Its InfinaSoft fabric is lightweight

Its InfinaSoft fabric is lightweight

Its lightweight fleece is brushed on both sides and enhanced with heat-regulating tech for all-around fuzzy comfort

4-way stretch woven fabric with stretch-knit material combines to get the most out of your run

We added a midfoot system—which the Mamba 5 didn't have—for foot security and durability

Double CloudTec Phase®

Nike Men's Trail Polartec® 1/4-Zip Fleece Running Top Size:M Its InfinaSoft fabric is lightweightNike Trail has the durability and adaptability to help make connecting with your surroundings easier, even in dynamic conditions. This Polartec pullover is made with supersoft fleece to help you stay warm on and off the trail. Nylon panels on the shoulders and arms repel water to help keep light rain at bay. Polartec is a supersoft and lightweight fleece that helps keep you warm while venting excess moisture. Woven nylon panels repel water and help