(89% polyester, 11% Lycra)<br> 8.5 oz. / sq. yard.<br>
Swift Technology offers the essential balance of insulation, breathability, moisture wicking and wind block for high octane winter sports. This no-bulk fabric works exceptionally well as a base layer for extreme winter weather or activities. Swift is also a great single layer mid-weight fabric for chilly, less-extreme days and activities. Less wind resistant than 3SP, but softer. Swift is a trademark of SportHill, Inc.