Fast 3.0 Singlet Men Flex 0 is the updated successor

0 is the updated successor

This shirt sits closely on the body while still feeling comfortable and elastic

This back material is also breathable but with a brushed inside to ensure good thermoregulation

The hooded jersey is made of 100% polyester material and is perfect for use as an extra layer when you're on your way to and from training

softshell material at the bottom of the front

Fast 3.0 Singlet Men Flex 0 is the updated successorFast 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