CLIMATESMART Men's Articore Long Sleeve Crew Neck Heavyweight Baselayer Top 88% Polyester, 12% Spandex Imported Machine Wash Highly breathable heavyweight performance base layer Ultra-soft, fleeced French terry fabric provides superior warmth and comfort Body conscious performance fit, ergonomic flat seams for comfort Moisture wicking helps keep you dry, antibacterial fabric helps reduce odor Long sleeve crew, raglan sleeves, tag free