It is versatile and resilient in all types of weather and conditions. On warm runs, the finely knit fabric lifts sweat off your body to keep you cool, while the creases of the wool retain your body heat in the cold. Unlike most fabrics, even when T-Shirt is wet, it will keep you warm.

- Runntex is made in Japan from 100% Optimo wool. The factory was founded in 1964 and is known for its high gauge jersey and innovative natural fabrics. The wool's porous fibers lift sweat away from your skin so you never feel clammy on a run and dries quickly in wet conditions since the creases of the wool trap your body's heat. Finely knitted, Cloud T-shirt is ultra lightweight, silky soft and naturally odor resistant. Its thermoregulation properties and moisture management capabilities make it an ideal fabric for use throughout the varying seasons, providing continuous comfort all year round.

- Ultra-lightweight 100% Optimo wool (silky soft, odor control, natural elasticity) fabric.
- Regular fit.
- Thermoregulates and manages moisture across all conditions and seasons.
- Raw hem construction across the top allows for reduced friction and lighter weight.
- Exterior detachable care label so nothing rubs against your skin.

All our products come with a 1 year manufacturing warranty from the date of purchase. This guarantee includes faults in the fabric, workmanship and other manufacturing related errors. The warranty does not cover defects caused by normal wear and tear. Our warranty covers products purchased through satisfyrunning.com and authorized retail partners. If you have a warranty claim, please contact us here.