Fast 3.0 Singlet Men Size:M There is a lighter Lycra

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

It also has a tight fit

consisting of 70% down and 30% feathers

flat lock seams and a large reflective field on the back for increased visibility in the dark

Fast 3.0 Singlet Men Size:M There is a lighter LycraFast 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