.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}When the mercury drops, reach for the Power Grid(TM) Sleeveless Baselayer. It'll add some extra warmth for your core, but still be plenty breathable-avoiding the dreadful clamminess that can come with warm base layers.4-way stretch fabrication allows for easy layering under any kit.Fabric Content: 91% Polyester, 9% Spandex Knit.