Instant purchase OK This T-shirt is designed to release moisture with breathability and features an air layer to prevent body temperature from dropping, making it less likely to cause chills from sweat. It can be worn as a single layer for active wear during spring and summer trekking, and as an inner layer in autumn and winter. It has an active silhouette that fits the body moderately. Material: WICKRON® ZEO [Polyester] Color: Navy Size: S Features: Spiral Slantec® Cuffs / UV Cut Material Features <WICKRON ZEO> Comfortable material that prevents stuffiness and sweat chills This material has breathability to release moisture and an air layer to prevent 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 active wear during spring and summer trekking, and as an inner layer in autumn and winter. It has an active silhouette that fits the body moderately. UV Protection Rate: 90% or more It has a high level of UV cut effect of 90% or more even for white fabrics. You can use it with confidence in outdoor activities. *Excluding mesh parts Thank you for viewing. Gender...Men