Layering up for winter runs usually means peeling off gear mile after mile. This men's athletic hoodie uses a special knit that not only keeps you warm, but stays light and breathable all run long. Armour Fleece® is light, breathable & stretches for superior mobility. Soft inner layer traps heat to keep you warm & comfortable. Adjustable, crossover hood construction. Front kangaroo pocket. Elastic binding on cuffs. 100% Polyester.