Selling a new without tags Cotopaxi Liso Baselayer Top in the Blue Jay color. This synthetic Baselayer is eco friendly (recycled fabric and bluesign), and great for cold weather. From Cotopaxi: The technical Liso Baselayer Top is built for cold-weather layering. Liso features thumbholes to keep your sleeves where you want ‘em and a brushed backer for next-to-skin softness. Plus, we embedded Polygiene® odor-control technology in the fabric so you can get in more wears before washing.