The Nike Dri-FIT top gives you soft, smooth protection. You can wear it alone or layer it withautres tops. Thumbholes help keep your hands warm. Plus, it's made with at least 75% recycled polyester fiber. The soft, smooth fabric lets you move freely. Nike Dri-FIT technology wicks away perspiration for greater evaporation rapide, keeping you dry and comfortable. Thumbholes at the sleeves let you cover your hands with a contoured fit, providing extra warmth when you need it.