Designed to keep you warmer and more comfortable without the bulk. Anti-Microbial fabric to cut down smell and odor. Perfect for any sport or outdoor activity where you need to maintain heat between workouts. Featuring Anti-Microbial, Anti-Snag, and superior Moisture-Wicking technology. The Anti-Microbial technology helps cut down on body odor while the Anti-Snag technology works to prevent snags better than our competitors' performance shirts.