PURE WARMTHThe Terramar Ecolator -+-Zip Baselayer Top provides warmth and comfort on chilly days. Made using synthetic panels with a grid pattern that traps additional air this top is super warm as part of any layering system, and the -+ zip opening makes getting ready in the morning much more manageable. FEATURESGrid-pattern fleece traps air for warmth while allowing for natural circulationQuarter zip for easy on/off, as well as optional ventingMock Turtleneck design seals out cold and traps in heatEngineered to adjust to your body temperatureInhibits the growth of bacteria that causes odor-aFast wicking and drying-a