Phasic™ LT fabric is lightweight, comfortable, wicks moisture, provides UPF 50+ sun protection, and is made from 100% recycled polyester| Low-profile Merrow stitching in high friction zones helps minimize irritation | Fit and style lines improve airflow through the garment for cooling | Back of crew neck is taped for additional comfort | Articulated patterning for mobility and comfort | Long-lasting DAO (Durable Anti Odour) finish | Reflective logo for added visibility in low light