One of our warmest base layer options, the Grid Fleece Pullover Baselayer Top will keep you toasty during all of those cold weather activities. The grid fleece fabric helps keep you warm and cozy without being too bulky or heavyweight, making it a perfect base layer addition to any active wardrobe. It is odor resistant and moisture wicking, allowing for a dry and comfortable wear all day. Complete with flatlock seaming to prevent irritation, this fitted base layer top for men will help get you through your cold weather hikes, runs and work with ease.