Customers say this running shirt is exceptionally lightweight and breathable. Many reviews mention its comfort during long-distance runs. The fabric performs well in dry conditions, though experiences with humidity vary. Common feedback includes its slim fit, with several noting it runs smaller than expected. While most praise its cooling properties during exercise, some mention it can become heavy when saturated with sweat. Frequent comments address its durability and quality construction, though a few note concerns about seam strength. Reviews indicate mixed results in extremely humid conditions.