Fabric: 92% Polyester, 8% Spandex. UPF Protection: UPF 50+ fabric blocks harmful UVA and UVB rays. Quick-Dry: Breathable textured fabric wicks moisture for rapid evaporation, keeping you cool and dry. Comfort Design: Thumbholes keep sleeves in place; flatlock seams and tag-free collar reduce chafing. Lightweight: Ultra-soft material provides comfort for all-day wear. Versatile Use: Ideal for hiking, fishing, traveling, boating, climbing, running, workouts, and surfing.