Nike Dri-FIT Knit Half-Zip Women's Running Top Imported Dri-FIT 62% polyester, 38% polyamide Dri-FIT fabric helps keep you dry and comfortable. Rib mock neck zips up to the chin. Mesh panels for breathability. Rib cuffs with thumbholes for stay-put coverage on cold days. Media-cord loop at upper back to help keep cords out of the way.