Fast 3.0 Singlet Men Advance this shirt is quick-drying and

this shirt is quick-drying and breathing

There is a lighter Lycra material under the arms for extra ventilation

whereas the outside is brushed

has good ventilation and is very flexible and comfortable

Fast 3.0 Singlet Men Advance this shirt is quick-drying andFast 3. 0 singlet is an upgraded version that feels very comfortable. The extremely light singlet fits perfectly over your shoulders and dries quickly. It's made of comfortable and moisture transporting materials. The back is made of breathable mesh to ensure extra ventilation and excellent transportation of sweat, which makes the singlet even more comfortable to wear. We have given this singlet an upgraded look with slimmer shoulder straps, as well