Nike Dri-FIT 1/2-Zip Cover-UpA boldly striped inner collar and reverse coil zipper give this cover up an edge. Of course, it also performs with Dri FIT moisture management technology. The design features a flat knit collar and cuffs and an open hem. The contrast Swoosh design trademark is embroidered on the upper left sleeve. Made of 8. 3 ounce, 100% Dri FIT polyester. Size Chest XS 32 35 Small 35 37 1 2 Medium 37 1 2 41 Large 41 44 XLarge 48 1 2 53 1 2 2XLarge 53 1 2 58 3XLarge