Maximum warmth for the coldest days. The Heavyweight Fleece Baselayer Mock Top delivers thick, insulating fleece with moisture-wicking, anti-odor, and anti-static properties in a fitted cut that layers invisibly. Mock neck seals in warmth. 4-way stretch. 94% Polyester, 6% Spandex Fitted 29" Body Length (Size M) Mock Neck Anti-Static & Moisture Wicking Anti-Odor & 4-Way Stretch Imported (Item# M4380)