 | Borg Running Seamless Cover-Up. The Björn Borg Borg Running Seamless Mock Neck is a stylish running shirt for women made from soft recycled polyester and polyamide stretch quality fabric. It comes in a slim fit with long sleeves and a higher round neck with a ribbed collar, and a seamless construction for a comfortable fit. Featuring a front zipper closure with a zip guard and shield on the inside to avoid abrasions, mesh panels under the arms for enhanced breathability, and reflective tab on the back neck for visibility. * Recycled... - Borg Running Seamless Cover-Up. |