Lightweight Ostria™ gridded fabric has wicking yarn, excellent stretch and comfort next-to-skin | Merrow stitching is strategically placed for enhanced comfort | Fit and style lines improves air flow through the garment for cooling | Back of crew neck is taped for additional comfort | Articulated patterning for mobility and comfort | Provides UPF 50 sun protection | Long-lasting DAO (Durable Anti Odour) finish