Fast 3.0 Singlet Women Skinsuit which means the sleeves are

which means the sleeves are zippered and can be removed at your leisure

They have an elastic band with a drawstring at the waist

give the vest a very good fit

such as running

Fast 3.0 Singlet Women Skinsuit which means the sleeves areFast 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