Minimal bulk, maximum performance: Under Armour's lightest Base layer top for women. Constructed in our ColdGear® thermal grid fabric that traps air in inerlocking channels to maintain core temperature consistency, wick moisture, and dry fast. Designed with a fitted cut to that won't interfere with her outer layers, featuring raglan sleeves, flatlock stitching, and ergonomic seam placement for superior mobility. ArmourBlock™ treatment stops odor causing microbes for maximum scent suppression. Recommended for temperatures below 55º. 100% 2.7 oz Polyester. Imported.