This waffle long sleeve is ideal for it is light and airy properties but provides sufficient protection against the elements. The high absorbency, good breathability, and quick-drying nature of the cloth make waffle cotton a perfect fabric for spring, winter or summer clothing . Great for running, layering under heavier pieces or simply wearing on an everyday basis, made of 100% organic cotton and is 320 GSM. Including 1 reflective TIEMPOS logo in the front of the long sleeve and thumbholes at the cuffs to help  you keeping you warm. Thumbholes are an incredible way to keep your sleeves in place when you're wearing your favorite athletic shirt.