"When you need a running shirt that can keep you dry and free of chafing, turn to the 2XU™ Men's Comp Short Sleeve Run Top. • Soft fabric reduces friction. • Flatlock stitching keeps seams streamlined and anti-chafe. • Zoned paneling for a perfect fit. • Raglan sleeve design. • SMD technology™ uses different yarn gages to provide unsurpassed moisture wicking for the life of the fabric."