This super lightweight top is designed to facilitate airflow through a perforated micro-structure, so you stay cool and comfortable when the sun is out. The recycled polyester fabric has 4-way stretch that moves with your body, giving a second-skin feel as you hike through the mountains. Highly breathable, with a compact fabric construction, this T-shirt is quick-drying for an all-day-long fresh feeling. Whether you like hiking in the mountains or just spending time outside, the men's Air Blow T-shirt is ideal for your outdoor summer wardrobe.