The Girls' Capilene® Heavyweight Zip-Neck has exceptional air permeability, warmth and moisture management thanks to soft polyester/spandex fleece with a grid interior and durable, smooth face; Polygiene® permanent odor control manages odor. Self-fabric collar backing and internal neck tape lend comfort. Zip-neck silhouette with deep, center-front zipper allows for quick heat dump; chin guard protects and provides low-bulk comfort. Elastic thumb loops and drop-tail hem provide secure coverage. There's also a locker loop for hang-drying. Slim fit for layering under midlayers and outerwear. Fair Trade Certified™ sewn.