CLIMATESMART Men's Nano Mesh Long Sleeve Crew Neck Lightweight Baselayer Top 100% Polyester Imported Machine Wash Versatile year-round lightweight performance base layer Breathable bamboo charcoal infused mesh with maximum odor inhibitors for ultimate comfort Relaxed fit, flat side seams for comfort Moisture wicking helps keep you dry, antibacterial fabric helps reduce odor Long sleeve crew, 2-1/2 inch cuff, tag free