The latest evolution of our base layer spinning technique utilizes high quality micro-fibers to produce coiled or "crimped" threads. Compared to traditional fibers, the refined microfibers present in Zeo-Line® feature greater surface area and smaller air pockets to better trap air, yielding superior heat retention. Due to Lightweight Zeo-Line®'s thickness and quick drying properties, it is perfect for physically demanding activities during cold weather or water activities during summer.

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