Incredibly lightweight and breathable; made from our exclusive CS Helium fabric. The Apex Marathon Singlet is the ideal choice for training and competitions. With a loose fit, scoop neck design this running essential will deliver the performance and comfort you demand.
- Constructed of CS Helium fabric
- 100% permanent UV protection yarn able to reach UPF50+
- Narrow back coverage
**CS Helium is a finely woven cool yarn fabrics. Please note the use of safety pins could affect the integrity of the fabric.