●Wickron ZEO Long Sleeve Zip Shirt Men's This T-shirt is designed to prevent chills from sweat, featuring breathable fabric that releases moisture and an air layer to prevent body temperature from dropping. It can be worn as a single layer for trekking in spring and summer, and as an inner layer in autumn and winter. It has an active silhouette that fits the body moderately. Specifications 【Material】Wickron® ZEO [Polyester] 【Average Weight】165g 【Color】White (WTH) 【Size】L 【Features】Spiral Slantec® Cuff / Zipper doesn't touch the chin / Zipper slider that doesn't shake during exercise / UV Cut Material Characteristics <Wickron ZEO> Comfortable material that is breathable and prevents sweat chills This material has breathability that releases moisture and an air layer that prevents body temperature from dropping. Due to its water absorption and diffusion properties and air layer, it protects the body from the cold when the temperature drops due to altitude or weather. It can be worn as a single layer for trekking in spring and summer, and as an inner layer in autumn and winter. It has an active silhouette that fits the body moderately. Spiral Slantec Cuff (Patented) By making the seams of the cuffs diagonal (spiral), it stretches well, providing a comfortable fit without any harshness against the skin or uncomfortable tightness. UV Cut for peace of mind outdoors UV protection rate of 90% or more It has a high level of UV protection effect of 90% or more even in white fabric. You can use it with confidence in outdoor activities. *Excluding mesh parts The UV protection rate (%) represents the average shielding rate of the entire range of ultraviolet wavelengths (UV-A, UV-B) that have a harmful effect on the human body. (Maximum value 100%) It varies depending on the color shade, structure, and specifications of the product, so please choose according to your purpose. *I've only worn it once at home, it's like new.