Layer up for long runs in this men's pacer 1/2 zip top from nike. In an obsidian colourway, this training top is made from polyester knit fabric that feels smooth lightweight. It's packed with sweat-wicking dri-fit tech for cool comfort, while the half zip collar and thumbholes in the sleeves offer custom coverage. Finished off with a reflective silver swoosh to the chest. Machine washable. Our model is 6'0" with a 38" chest and wears a size medium. Material: 100% polyester. Colour: blue